{"title":"Best Sellers","description":"","products":[{"product_id":"ls-swap-headers-chevy-c10-s10","title":"AMVirtuo LS Swap Headers for Chevy C10 S10 Camaro GMC Silverado LS1 LS2 LS3 LS6 LS9 4.8L 5.3L 5.7L Engine Conversion Headers T304 Stainless Steel","description":"\u003cp\u003e\u003cstrong\u003eFitment and Compliance Notice:\u003c\/strong\u003e Professional installation is recommended. Verify vehicle fitment, clearance, exhaust requirements, and local regulations before purchase.\u003c\/p\u003e\n\n\u003cdiv class=\"key-features\"\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003ch3\u003ePremium T304 Stainless Steel Construction\u003c\/h3\u003e\n\u003cp\u003eOur exhaust headers are crafted from high-quality T304 stainless steel, delivering exceptional durability and corrosion resistance even in harsh weather conditions. The robust 7\/16\" steel plate head flange prevents cracking or warping, ensuring a leak-free seal for years to come.\u003c\/p\u003e\n\u003ch3\u003ePerformance\u003c\/h3\u003e\n\u003cp\u003eThese performance headers are engineered to support improved exhaust flow from idle through mid-range RPM. The optimized primary tube diameter (1-5\/8\") and 2-1\/2\" collector design improves exhaust flow, unlocking your LS engine's true potential—expect noticeable gains in both horsepower and torque.\u003c\/p\u003e\n\u003ch3\u003eVehicle-specific design for LS Engine Swaps\u003c\/h3\u003e\n\u003cp\u003eDesigned specifically for engine conversion swap header applications, these shorty headers provide hassle-free installation on Chevy C10 and S10 platforms. The compact design clears steering components and frame rails while maintaining optimal ground clearance.\u003c\/p\u003e\n\u003ch3\u003eSuperior Welding Quality\u003c\/h3\u003e\n\u003cp\u003eEach set of Chevy headers features precision TIG welding throughout, creating wear-resistant and crack-proof joints that withstand extreme temperatures. Our short tube headers are built for long-lasting durability under demanding driving conditions.\u003c\/p\u003e\n\u003ch3\u003eComplete Installation Kit Included\u003c\/h3\u003e\n\u003cp\u003eEvery purchase includes a complete set of exhaust manifold bolts, gasket, and all necessary hardware for installation. Professional installation is recommended for optimal results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eTransform your classic Chevy or GMC truck with AMVirtuo LS swap headers, engineered specifically for LS engine conversion projects. Whether you're restoring a vintage C10 pickup, building a high-performance Camaro, or upgrading your Silverado for better exhaust flow, these exhaust headers deliver the perfect combination of power, sound, and reliability.\u003c\/p\u003e\n\u003cp\u003eOur Chevrolet headers are manufactured from T304 stainless steel with a mirror-polished chrome finish that resists corrosion and looks stunning under the hood. The 1-5\/8\" primary tubes are optimized for LS-series engines ranging from 4.8L to 6.2L, providing excellent exhaust velocity without sacrificing low-end torque.\u003c\/p\u003e\n\u003cp\u003eAt AMVirtuo, we believe performance upgrades shouldn't be a luxury. That's why we've designed these headers to offer professional-grade quality at a price point that respects your build budget. Every set is tested for fitment and durability, ensuring your LS swap project starts with a solid foundation.\u003c\/p\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\n\u003ctable class=\"fitment-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 40%;\"\u003eVehicle\u003c\/th\u003e\n\u003cth style=\"width: 22%;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"width: 38%;\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet C10 Panel\u003c\/td\u003e\n\u003ctd\u003e1960 – 1967\u003c\/td\u003e\n\u003ctd\u003eAll factory engines (LS swap required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet C10 Pickup\u003c\/td\u003e\n\u003ctd\u003e1960 – 1974\u003c\/td\u003e\n\u003ctd\u003eAll factory engines (LS swap required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet C10\u003c\/td\u003e\n\u003ctd\u003e1975 – 1986\u003c\/td\u003e\n\u003ctd\u003eAll factory engines \/ All trims (Cheyenne, Custom, Scottsdale, Silverado, Big Ten, Deluxe)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet S10\u003c\/td\u003e\n\u003ctd\u003e1982 – 2004\u003c\/td\u003e\n\u003ctd\u003eAll factory engines \/ All trims (Base, LS, LT, Xtreme, Sport, Tahoe)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet Blazer \/ S10 Blazer\u003c\/td\u003e\n\u003ctd\u003e1983 – 2005\u003c\/td\u003e\n\u003ctd\u003eAll factory engines \/ All trims (including Trailblazer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC 1500 Series\u003c\/td\u003e\n\u003ctd\u003e1960 – 1965\u003c\/td\u003e\n\u003ctd\u003eAll factory engines (LS swap required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC Jimmy\u003c\/td\u003e\n\u003ctd\u003e1982 – 2003, 2005\u003c\/td\u003e\n\u003ctd\u003eAll factory engines \/ All trims (Base, Sierra Classic, High Sierra, SLE, SLT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC Sonoma\u003c\/td\u003e\n\u003ctd\u003e1991 – 2004\u003c\/td\u003e\n\u003ctd\u003eAll factory engines \/ All trims (Base, GT, SL, SLE, SLS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOldsmobile Bravada\u003c\/td\u003e\n\u003ctd\u003e1991 – 1994, 1996 – 2001\u003c\/td\u003e\n\u003ctd\u003eAll factory engines (LS swap required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"fitment-warning\"\u003e\n\u003cstrong\u003eImportant Fitment Notes:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for V8 LS-Series engine swaps only. Does NOT fit factory SBC\/BBC engines — different exhaust port spacing and angle.\u003c\/li\u003e\n\u003cli\u003eCovers all LS engine displacements: LS1, LS2, LS3, LS6, LS9 and variants (4.8L, 5.3L, 5.7L, 6.0L, 6.2L).\u003c\/li\u003e\n\u003cli\u003eThird-gen Camaro (1982–1992) fits on passenger side only. Driver side has compatibility issues due to steering column placement.\u003c\/li\u003e\n\u003cli\u003eS10 and Blazer builds may need minor firewall clearance work near the edges depending on engine mount position and setback.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Tube Diameter\u003c\/td\u003e\n\u003ctd\u003e1-5\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector Size\u003c\/td\u003e\n\u003ctd\u003e2-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlange Thickness\u003c\/td\u003e\n\u003ctd\u003e7\/16\" Heavy Duty Steel Plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eT304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurface Finish\u003c\/td\u003e\n\u003ctd\u003eChrome Polished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector Flange Type\u003c\/td\u003e\n\u003ctd\u003eV-Band\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Style\u003c\/td\u003e\n\u003ctd\u003eClamp-on\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment Type\u003c\/td\u003e\n\u003ctd\u003eDirect Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eHeaders vs Stock Manifolds\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eStock Manifolds\u003c\/th\u003e\n\u003cth\u003eAMVirtuo Headers\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial \u0026amp; Weight\u003c\/td\u003e\n\u003ctd\u003eHeavy cast iron, prone to cracking and rust\u003c\/td\u003e\n\u003ctd\u003eLightweight T304 stainless steel, corrosion resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust Flow\u003c\/td\u003e\n\u003ctd\u003eRestrictive internal passages, backpressure\u003c\/td\u003e\n\u003ctd\u003eSmooth mandrel-bent tubes, improved velocity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePerformance\u003c\/td\u003e\n\u003ctd\u003eLimited power output\u003c\/td\u003e\n\u003ctd\u003eBetter throttle response, more horsepower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound Quality\u003c\/td\u003e\n\u003ctd\u003eMuffled, restrictive note\u003c\/td\u003e\n\u003ctd\u003eDeeper, more aggressive tone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDurability\u003c\/td\u003e\n\u003ctd\u003eBrittle, cracks under thermal stress\u003c\/td\u003e\n\u003ctd\u003eTIG-welded, resists fatigue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eThe Bottom Line:\u003c\/strong\u003e If you're investing in an LS engine swap for your C10, S10, Camaro, or Silverado, headers are the better choice for maximizing your engine's potential. More power, better sound, longer lasting.\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eProfessional Tips:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Fit Before Installation:\u003c\/strong\u003e Test-fit the headers on your engine while it's on a stand. This helps identify any clearance issues with steering shafts, firewall, or frame rails before the engine is dropped in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirewall Clearance:\u003c\/strong\u003e Some S10 and Camaro LS swap builds may require minor firewall lip modification. Use a hammer to carefully flatten the firewall edge if headers contact it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteering Shaft Clearance:\u003c\/strong\u003e On certain vehicles, the steering shaft may need slight adjustment or a smaller-diameter shaft to clear the headers properly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eO2 Sensors:\u003c\/strong\u003e Plan your oxygen sensor placement before final installation. Some builds require O2 sensor bung relocation or extension harnesses.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eEstimated Installation Time:\u003c\/strong\u003e 4-8 hours (professional shop recommended)\u003c\/p\u003e\n\u003cdiv class=\"pro-tip\"\u003e\n\u003cdiv class=\"pro-tip-title\"\u003ePro Tip\u003c\/div\u003e\n\u003cp\u003eTest-fitting headers while the engine is on a stand can help identify potential fitment issues before installation. This saves time and prevents costly rework during the final install.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cp\u003etbody\u0026gt;\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Side Header\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePassenger Side Header\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust Gasket Set\u003c\/td\u003e\n\u003ctd\u003e1 Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust Manifold Bolts\u003c\/td\u003e\n\u003ctd\u003eFull Hardware Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"AMVirtuo","offers":[{"title":"Default Title","offer_id":48112820387940,"sku":"AM-28937","price":189.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/1889\/8276\/files\/01_05f67bbe-4017-4fce-9a14-dfc1de5650f8.jpg?v=1775455370"},{"product_id":"amvirtuo-dodge-ram-1500-hemi-headers","title":"Exhaust Headers Polished Stainless Steel Shorty Headers for 2009-2023 Dodge RAM 1500 2WD 4WD Trucks 5.7L 350 V8 HEMI","description":"\u003cp\u003e\u003cstrong\u003eFitment and Compliance Notice:\u003c\/strong\u003e Professional installation is recommended. Verify vehicle fitment, clearance, exhaust requirements, and local regulations before purchase.\u003c\/p\u003e\n\n\u003c!-- H2: Key Features --\u003e\n\u003ch2\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cdiv class=\"key-features\"\u003e\n\u003ch3\u003e\u003cb\u003eHEMI Engine Compatibility\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003ePremium \u003cb\u003eram 1500 headers\u003c\/b\u003e designed for 2009-2023 Dodge RAM 1500 2WD and 4WD trucks with the legendary 5.7L HEMI V8 engine (2019-2023 Classic models only). Engineered specifically for the HEMI platform.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003ePolished Stainless Steel Construction\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThese \u003cb\u003e5.7 Hemi headers\u003c\/b\u003e feature polished T304 stainless steel construction for enhanced corrosion resistance and heat dissipation with mandrel-bent tubing. Built to withstand the demands of towing and daily driving.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eLeak-Free Design\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e3\/8\" laser-cut flanges combined with argon arc-welded joints provide leak-free sealing under extreme vibration and high-temperature operation. Rated for 1,600°F continuous exhaust temperatures.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003ePerformance Optimized\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eSmooth-radius bends minimise exhaust back pressure from idle to mid-RPM ranges, enhancing throttle response and driving performance. Ideal for daily driving, towing, and moderate performance applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eEasy Installation\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eDesigned as a vehicle-specific replacement with included high-fitting gaskets. Five-layer cardboard packaging ensures safe delivery. Professional installation recommended for optimal results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- H2: Description --\u003e\n\u003ch2\u003e\u003cb\u003eDescription\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eThe 5.7L HEMI engine is legendary for its combination of power and efficiency, and our Dodge Ram headers help unlock even more potential from this modern V8. Whether you use your RAM for towing, daily driving, or weekend adventures, improved exhaust flow makes every drive more enjoyable.\u003c\/p\u003e\n\u003cp\u003eFactory exhaust manifolds on modern trucks are designed primarily for emissions compliance and cost efficiency. Our Hemi exhaust headers replace those restrictive manifolds with free-flowing mandrel-bent stainless steel tubing that promotes better exhaust scavenging and improved throttle response.\u003c\/p\u003e\n\u003cp\u003eThese Ram 1500 Hemi headers feature a shorty-style design that makes installation straightforward while maintaining compatibility with factory exhaust systems. The compact design clears OEM heat shields and transfer cases, making these headers a practical upgrade for both 2WD and 4WD trucks.\u003c\/p\u003e\n\u003cp\u003eConstructed from T304 stainless steel, these Dodge 5.7 headers resist corrosion from road salt and high heat. The argon arc welding process creates strong, durable joints that won't leak under the stress of towing, hauling, or daily driving.\u003c\/p\u003e\n\u003c!-- H2: Vehicle Fitment --\u003e\n\u003ch2\u003e\u003cb\u003eVehicle Fitment\u003c\/b\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eVehicle\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDodge RAM 1500 (2WD)\u003c\/td\u003e\n\u003ctd\u003e2009-2018\u003c\/td\u003e\n\u003ctd\u003e5.7L HEMI V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDodge RAM 1500 (4WD)\u003c\/td\u003e\n\u003ctd\u003e2009-2018\u003c\/td\u003e\n\u003ctd\u003e5.7L HEMI V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDodge RAM 1500 Classic (2WD\/4WD)\u003c\/td\u003e\n\u003ctd\u003e2019-2023\u003c\/td\u003e\n\u003ctd\u003e5.7L HEMI V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"warning\"\u003e\n\u003cp class=\"warning-title\"\u003e⚠️ Important Fitment Notes\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eEngine Compatibility:\u003c\/b\u003e Designed for 5.7L HEMI V8 engines only. Not compatible with 3.6L V6, 4.7L V8, or 6.4L HEMI.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eModel Years:\u003c\/b\u003e Fits DS platform RAM 1500 (2009-2018) and Classic models (2019-2023). Does NOT fit DT platform (2019+ non-Classic).\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDrivetrain:\u003c\/b\u003e Compatible with both 2WD and 4WD configurations. Clears the transfer case on 4WD models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- H2: Technical Specifications --\u003e\n\u003ch2\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeader Type\u003c\/td\u003e\n\u003ctd\u003eShorty \/ Short Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Diameter\u003c\/td\u003e\n\u003ctd\u003e1-5\/8\" (42mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector Diameter\u003c\/td\u003e\n\u003ctd\u003e2-1\/2\" (64mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead Flange Thickness\u003c\/td\u003e\n\u003ctd\u003e3\/8\" (9.5mm) Laser-Cut Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePipe Thickness\u003c\/td\u003e\n\u003ctd\u003e16-Gauge (1.5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eT304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurface Finish\u003c\/td\u003e\n\u003ctd\u003ePolished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWelding Process\u003c\/td\u003e\n\u003ctd\u003eArgon Arc Welded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment Type\u003c\/td\u003e\n\u003ctd\u003eDirect Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- H2: Headers vs Stock Manifolds --\u003e\n\u003ch2\u003e\u003cb\u003eHeaders vs Stock Exhaust Manifolds\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eIf you're debating between upgrading to exhaust headers or replacing them with factory-style manifolds, here's what you need to know:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eStock Manifolds\u003c\/th\u003e\n\u003cth\u003eAMVirtuo Headers\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCast Iron (prone to cracking)\u003c\/td\u003e\n\u003ctd\u003eT304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Tube\u003c\/td\u003e\n\u003ctd\u003eRestrictive casting\u003c\/td\u003e\n\u003ctd\u003e1-5\/8\" mandrel-bent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector\u003c\/td\u003e\n\u003ctd\u003eSmaller factory outlet\u003c\/td\u003e\n\u003ctd\u003e2-1\/2\" optimized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlange Thickness\u003c\/td\u003e\n\u003ctd\u003eStandard factory spec\u003c\/td\u003e\n\u003ctd\u003e3\/8\" laser-cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThrottle Response\u003c\/td\u003e\n\u003ctd\u003eStock\u003c\/td\u003e\n\u003ctd\u003eImproved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cb\u003eThe Bottom Line:\u003c\/b\u003e Factory exhaust manifolds on RAM trucks are known for developing cracks and leaks over time. Upgrading to stainless steel shorty headers provides improved exhaust flow, better throttle response, and long-lasting durability while maintaining compatibility with your existing exhaust system.\u003c\/p\u003e\n\u003c!-- H2: Installation Notes --\u003e\n\u003ch2\u003e\u003cb\u003eInstallation Notes\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eProfessional installation is strongly recommended for optimal results. Here are important considerations for your \u003cb\u003eRAM truck headers\u003c\/b\u003e installation:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDirect Replacement:\u003c\/b\u003e These headers are designed as a direct replacement for factory exhaust manifolds. Compatible with OEM heat shields and clears the transfer case on 4WD models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTorque Specifications:\u003c\/b\u003e Torque bolts to 25-30 ft-lbs in a crisscross pattern to ensure even sealing without warping flanges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSpark Plug Clearance:\u003c\/b\u003e For angled spark plug engines (2019+ Classics), use short-reach plugs to avoid clearance issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGasket Installation:\u003c\/b\u003e Always use the included graphite gaskets without additional sealant. Ensure gasket holes align properly before final tightening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePost-Installation Check:\u003c\/b\u003e After installation, start the engine and listen for any hissing sounds that indicate exhaust leaks. Re-torque bolts after 3 heat cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"highlight\"\u003e\n\u003cp\u003e\u003cb\u003ePro Tip:\u003c\/b\u003e According to RAM truck enthusiasts, these \u003cb\u003ehemi shorty headers\u003c\/b\u003e offer an excellent balance of performance gains and installation simplicity for daily-driven trucks. They connect directly to your existing exhaust system without requiring modifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- H3: What's Included --\u003e\n\u003ch3\u003e\u003cb\u003eWhat's Included\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Driver Side Header\u003c\/li\u003e\n\u003cli\u003e1x Passenger Side Header\u003c\/li\u003e\n\u003cli\u003eGraphite Gaskets\u003c\/li\u003e\n\u003cli\u003eMounting Hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AMVirtuo","offers":[{"title":"Default Title","offer_id":48137812607076,"sku":"AM-69646","price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/1889\/8276\/files\/1_e92ffe00-5074-48c5-acc1-c1f77aee7531.jpg?v=1775467588"},{"product_id":"amvirtuo-long-tube-headers-5-3-silverado-y-pipe","title":"AMVirtuo Long Tube Headers with Y-Pipe for 1999-2006 Chevy GMC Silverado Sierra Avalanche Suburban Tahoe Yukon, 4.8L 5.3L 6.0L V8 Engines","description":"\u003cp\u003e\u003cstrong\u003eFitment and Compliance Notice:\u003c\/strong\u003e Professional installation is recommended. Verify vehicle fitment, clearance, exhaust requirements, and local regulations before purchase.\u003c\/p\u003e\n\n\u003ch2\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003cdiv class=\"key-features\"\u003e\n\u003ch3\u003e\u003cb\u003eIntegrated Y-Pipe for Balanced Exhaust Scavenging\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eUnlike standard headers with Y-pipe configurations that require you to source your own merge pipe, these long tube headers feature a precision-engineered Y-pipe designed to maintain balanced exhaust pulse separation across all cylinders. Mandrel-bent construction ensures a consistent internal diameter throughout, eliminating the backpressure buildup that plagues non-Y-pipe header setups and optimising gas evacuation efficiency for smoother, more powerful engine breathing.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eHeaders for 5.3 Silverado\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eOne set covers the entire GMT800 family: Silverado 1500, Sierra 1500, Avalanche 1500, Suburban 1500, Tahoe, and Yukon equipped with 4.8L, 5.3L, or 6.0L V8 engines. Compatible with both 2WD and 4WD configurations. Whether you're looking for Chevy Avalanche\u003cb\u003e \u003c\/b\u003eheaders, Tahoe headers, Yukon headers, or Suburban headers, this single part number handles them all.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e304 Stainless Steel with Polished Finish\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eConstructed from 304 stainless steel tubing that maintains a consistent diameter for laminar exhaust flow, reducing turbulence to enhance throttle response and low-RPM torque. The polished finish isn't just for looks—it actively resists corrosion and heat oxidation, outperforming aluminised steel in long-term durability. These Silverado long tube headers are built to withstand the heat cycles and road salt that destroy lesser components.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e3\/8\" Laser-Cut Flanges \u0026amp; TIG Welded Joints\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe head flanges are laser-cut from 3\/8\" thick steel plate, providing a flat, warp-resistant sealing surface that won't distort under repeated heat cycles. Every joint is TIG welded to withstand exhaust temperatures exceeding 2,000°F while preventing gas leaks under extreme vibration. The result is a sealed, crack-resistant system that serves as a permanent Silverado exhaust leak fix.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eComplete Bolt-On Kit with Hardware Included\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eEverything you need is in the box: headers, Y-pipe, mounting hardware, and gaskets. The bolt-on design uses factory mounting points—minor adjustments may be needed depending on vehicle condition and exhaust setup. For vehicles with angled spark plug configurations, professional installation is recommended to ensure proper alignment and optimal clearances around steering and suspension components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003cb\u003eDescription\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eUnlike shorty headers, long tube primaries give exhaust gases more distance to accelerate, creating a stronger scavenging effect that pulls spent gases out more efficiently and fills cylinders more completely. The included Y-pipe merges both banks without disrupting that scavenging advantage. The 1-7\/8\" primary tubes and 3\" collector are sized specifically for 4.8L, 5.3L, and 6.0L engines to maintain strong low-end response while supporting meaningful Chevy 5.3 performance upgrades at higher RPMs.\u003c\/p\u003e\n\u003cp\u003eProfessional installation is strongly recommended, especially for 4WD models. Factory manifold bolt removal is often the hardest part—soak bolts in penetrating oil overnight and have extractors on standby. Once the old manifolds are off, these 99-06 silverado headers bolt to factory attachment points and the Y-pipe connects downstream.\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eVehicle Fitment\u003c\/b\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eVehicle\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet Silverado 1500\u003c\/td\u003e\n\u003ctd\u003e1999-2006\u003c\/td\u003e\n\u003ctd\u003e4.8L, 5.3L, 6.0L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd\u003e1999-2006\u003c\/td\u003e\n\u003ctd\u003e4.8L, 5.3L, 6.0L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet Avalanche 1500\u003c\/td\u003e\n\u003ctd\u003e2002-2006\u003c\/td\u003e\n\u003ctd\u003e5.3L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet Suburban 1500\u003c\/td\u003e\n\u003ctd\u003e2000-2006\u003c\/td\u003e\n\u003ctd\u003e5.3L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet Tahoe\u003c\/td\u003e\n\u003ctd\u003e2000-2006\u003c\/td\u003e\n\u003ctd\u003e4.8L, 5.3L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC Yukon\u003c\/td\u003e\n\u003ctd\u003e2000-2006\u003c\/td\u003e\n\u003ctd\u003e4.8L, 5.3L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"warning\"\u003e\n\u003cp class=\"warning-title\"\u003e⚠️ Important Fitment Notes\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDrive Configuration:\u003c\/b\u003e Fits both 2WD and 4WD models. However, 4WD installations may require additional clearance checks around the steering shaft and front differential.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTransmission Compatibility:\u003c\/b\u003e If using a larger 4L80E transmission, the bellhousing ears may need to be trimmed for proper clearance.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eEarly 2500 Series:\u003c\/b\u003e Earlier 2500 models might have fitment issues due to chassis being designed from previous years. Verify your specific configuration before purchasing.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eV8 Engines Only:\u003c\/b\u003e Designed for GM Gen III\/IV small block V8 engines (4.8L LR4, 5.3L LM7\/L59\/L33, 6.0L LQ4\/LQ9). Not compatible with V6 or diesel engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeader Type\u003c\/td\u003e\n\u003ctd\u003eLong Tube \/ Full Length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Tube Diameter\u003c\/td\u003e\n\u003ctd\u003e1-7\/8\" (48mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector Diameter\u003c\/td\u003e\n\u003ctd\u003e3\" (76mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead Flange Thickness\u003c\/td\u003e\n\u003ctd\u003e3\/8\" (9.5mm) Laser-Cut Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePipe Thickness\u003c\/td\u003e\n\u003ctd\u003e16-Gauge (1.5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurface Finish\u003c\/td\u003e\n\u003ctd\u003ePolished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eY-Pipe Included\u003c\/td\u003e\n\u003ctd\u003eYes (Mandrel-Bent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWelding\u003c\/td\u003e\n\u003ctd\u003eTIG Welded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment Type\u003c\/td\u003e\n\u003ctd\u003eVehicle-Specific Replacement Design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGasket Included\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cb\u003eHeaders vs Stock Exhaust Manifolds\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eFactory manifolds were designed for one thing: getting the truck off the assembly line as cheaply as possible. Here's what changes when you upgrade to long tube headers with Y-pipe:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eStock Manifolds\u003c\/th\u003e\n\u003cth\u003eAMVirtuo Long Tube Headers\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCast Iron (heavy, crack-prone)\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel (lightweight, durable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust Flow\u003c\/td\u003e\n\u003ctd\u003eRestrictive log-style design\u003c\/td\u003e\n\u003ctd\u003eTuned-length primaries for scavenging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eY-Pipe\u003c\/td\u003e\n\u003ctd\u003eFactory crush-bent, restrictive\u003c\/td\u003e\n\u003ctd\u003eMandrel-bent, balanced pulse design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBolt Issues\u003c\/td\u003e\n\u003ctd\u003eNotorious bolt breakage\u003c\/td\u003e\n\u003ctd\u003e3\/8\" flange, warp-resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHorsepower\u003c\/td\u003e\n\u003ctd\u003eFactory-rated\u003c\/td\u003e\n\u003ctd\u003e15-25 HP gain (w\/ tune)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eHeavy cast iron per side\u003c\/td\u003e\n\u003ctd\u003eSignificantly lighter stainless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrosion\u003c\/td\u003e\n\u003ctd\u003eProne to surface rust\u003c\/td\u003e\n\u003ctd\u003ePolished 304SS resists oxidation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cb\u003eThe Bottom Line:\u003c\/b\u003e The cast iron manifolds on your 1999-2006 GM truck are a known weak point. Bolt failures, cracking, and restricted flow cost you power and reliability. Long tube headers with an integrated Y-pipe deliver the most complete Chevy 5.3 performance upgrades possible in a single package—better flow, better sound, and a permanent silverado exhaust leak fix.\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eInstallation Notes\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eProfessional shop installation is strongly recommended, especially for 4WD models. Here are critical considerations for your 5.3 long tube headers installation:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFactory Bolt Removal:\u003c\/b\u003e Original manifold bolts are notorious for seizing and snapping. Apply penetrating oil liberally and let it sit overnight. Have a bolt extractor set and replacement bolts ready before starting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSteering Shaft Clearance (4WD):\u003c\/b\u003e On 4WD models, the driver-side header may sit close to the steering shaft. Verify clearances before final tightening. Slight adjustment of the header position may be needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e4L80E Transmission Note:\u003c\/b\u003e If your truck is equipped with the larger 4L80E automatic transmission, the bellhousing ears may need to be trimmed for proper header clearance at the collector area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eO2 Sensor Wiring:\u003c\/b\u003e The longer tube length may require O2 sensor extension harnesses to reach the original sensor connector locations. Plan accordingly or source extensions before beginning the job.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTorque Sequence:\u003c\/b\u003e Hand-tighten all header-to-head bolts first to ensure proper alignment, then torque in a crisscross pattern to manufacturer specifications. Re-torque after 3 heat cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eECM Tuning:\u003c\/b\u003e Long tube headers change exhaust flow characteristics significantly. An ECM tune is recommended to optimise air\/fuel ratios and prevent check engine lights.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"highlight\"\u003e\n\u003cp\u003e\u003cb\u003ePro Tip:\u003c\/b\u003e Long tube headers with Y-pipe provide the strongest scavenging effect and the greatest horsepower potential of any header type—but they also require the most involved installation. If you're planning to add a camshaft, larger throttle body, or forced induction down the road, long tubes are the foundation that supports all of those upgrades. Plan your build holistically.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cb\u003eWhat's Included\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Driver Side Long Tube Header\u003c\/li\u003e\n\u003cli\u003e1x Passenger Side Long Tube Header\u003c\/li\u003e\n\u003cli\u003e1x Mandrel-Bent Y-Pipe Assembly\u003c\/li\u003e\n\u003cli\u003e1x Exhaust Gasket Set\u003c\/li\u003e\n\u003cli\u003eComplete Mounting Hardware Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"AMVirtuo","offers":[{"title":"Default Title","offer_id":48148588855396,"sku":"AM-33903","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/1889\/8276\/files\/1_058d55f3-86bd-409f-99a2-c914e0fd483f.jpg?v=1775468152"},{"product_id":"amvirtuo-99-06-silverado-catalytic-converter","title":"AMVirtuo Vehicle-Specific Replacement Catalytic Converter for 1999-2006 Chevy Silverado Suburban Avalanche Tahoe GMC Sierra Yukon Cadillac Escalade, 4.3L 4.8L 5.3L","description":"\u003ch2 style=\"margin: 0.0px 0.0px 15.0px 0.0px; font: 18.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eDesigned as a vehicle-specific replacement\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eThis vehicle-specific catalytic converter is engineered to replace the original unit on 1999-2006 Chevy and GMC full-size trucks and SUVs. Every flange aligns with the factory exhaust system — no cutting, bending, or welding required. Drop it in, bolt it up, and you're back on the road.\u003c\/p\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eResolves P0420 Trouble Codes\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eA failing catalytic converter is the most common trigger for the P0420 \"Catalyst Efficiency Below Threshold\" code on these GM trucks. This replacement unit is designed to support proper catalyst function when installed on a compatible vehicle, may help address catalyst-efficiency codes when the catalytic converter is the confirmed failed component.\u003c\/p\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eTIG-Welded Stainless Steel Construction\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eBuilt from high-quality stainless steel using TIG welding throughout. The TIG-welded seams deliver superior durability compared to cheaper MIG-welded alternatives, withstanding thermal cycling and road vibration without cracking. Each flange mates precisely with your stock exhaust pipes.\u003c\/p\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eDouble-Layer High-Temperature Ceramic Substrate\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eThe internal substrate uses a double-layer high-temperature ceramic design loaded with precious metal washcoat for efficient catalytic conversion. This ensures consistent exhaust purification performance over a long service life, even under heavy towing loads.\u003c\/p\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eEmissions Notice \u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eThis catalytic converter is intended for federal-use applications where permitted. It cannot be sold or shipped for use on vehicles registered in California, Maine, Colorado, or New York. Verify local emissions and inspection requirements before purchase.\u003c\/p\u003e\n\u003ch2 style=\"margin: 0.0px 0.0px 15.0px 0.0px; font: 18.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eDescription\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eIf your 1999-2006 Chevy Silverado, GMC Sierra, Tahoe, Yukon, or Cadillac Escalade is throwing a P0420 code or you've noticed a drop in fuel economy and sluggish throttle response, a proper diagnosis is required before replacing parts. This AMVirtuo Vehicle-specific design catalytic converter replaces the failed unit without any modifications to your exhaust system.\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eUnlike universal converters that require cutting and welding, this unit bolts directly to the factory flanges. The TIG-welded stainless steel body resists corrosion and thermal fatigue, while the double-layer ceramic substrate restores proper three-way catalytic conversion for your 4.3L V6, 4.8L V8, or 5.3L V8 engine.\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eInstallation includes quality gaskets and hardware. The crossover tube section matches the stock routing, so you won't need to reroute or extend any exhaust piping.\u003c\/p\u003e\n\u003ch2 style=\"margin: 0.0px 0.0px 15.0px 0.0px; font: 18.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eVehicle Fitment\u003c\/b\u003e\u003c\/h2\u003e\n\u003ctable style=\"margin: 15.0px 0.0px 15.0px 0.0px; border-collapse: collapse; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #1000d8; padding: 12.0px 15.0px; color: #ffffff; font-weight: bold; font-size: 12px;\"\u003eVehicle\u003c\/td\u003e\n\u003ctd style=\"background-color: #1000d8; padding: 12.0px 15.0px; color: #ffffff; font-weight: bold; font-size: 12px;\"\u003eYears\u003c\/td\u003e\n\u003ctd style=\"background-color: #1000d8; padding: 12.0px 15.0px; color: #ffffff; font-weight: bold; font-size: 12px;\"\u003eEngine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eChevy Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e1999-2006\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e4.3L V6, 4.8L V8, 5.3L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eChevy Silverado 1500 Classic\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e2007\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e4.8L V8, 5.3L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eChevy Silverado 2500\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e1999-2000\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e5.3L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eChevy Suburban 1500\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e2000-2006\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e5.3L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eChevy Tahoe\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e2000-2006\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e4.8L V8, 5.3L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eChevy Avalanche 1500\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e2002-2006\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e5.3L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e1999-2006\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e4.3L V6, 4.8L V8, 5.3L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eGMC Sierra 1500 Classic\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e2007\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e4.3L V6, 4.8L V8, 5.3L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eGMC Sierra 2500\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e1999-2000\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e5.3L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eGMC Yukon\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e2000-2006\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e4.8L V8, 5.3L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eGMC Yukon XL 1500\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e2000-2006\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e5.3L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eCadillac Escalade\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e2002-2005\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e5.3L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #7c1f0c;\"\u003e⚠️ \u003cb\u003eImportant Fitment Notes\u003c\/b\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\u003cb\u003eEngine Exclusions:\u003c\/b\u003e Fits 4.3L V6, 4.8L V8, and 5.3L V8 only. Does NOT fit 6.0L V8 or 8.1L V8 engines.\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\u003cb\u003eClassic Body Style:\u003c\/b\u003e The 2007 Silverado\/Sierra 1500 Classic (GMT800 carryover) is included. The 2007+ new body style is NOT covered.\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\u003cb\u003eReference Numbers:\u003c\/b\u003e OE References: 9444, 18010, 9063, 20370, 51097, 2010019, 50511, 19010, 2010018, 50462.\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\u003cb\u003eEmissions Compliance:\u003c\/b\u003e Emissions Notice. Not legal for vehicles registered in CA, ME, CO, or NY.\u003c\/p\u003e\n\u003ch2 style=\"margin: 0.0px 0.0px 15.0px 0.0px; font: 18.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h2\u003e\n\u003ctable style=\"margin: 15.0px 0.0px 15.0px 0.0px; border-collapse: collapse; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #1000d8; padding: 12.0px 15.0px; color: #ffffff; font-weight: bold; font-size: 12px;\"\u003eSpecification\u003c\/td\u003e\n\u003ctd style=\"background-color: #1000d8; padding: 12.0px 15.0px; color: #ffffff; font-weight: bold; font-size: 12px;\"\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eConverter Type\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eVehicle-specific design Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eSubstrate\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eDouble-Layer High-Temperature Ceramic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eWelding\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eTIG Welded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eEmissions Standard\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eEmissions Notice\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eFitment\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eBolt-On (no cutting or welding)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eIncluded Accessories\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eGaskets, mounting hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"margin: 0.0px 0.0px 15.0px 0.0px; font: 18.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eInstallation Notes\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\u003cb\u003eProfessional installation is recommended, but experienced DIYers can handle this job with basic mechanical tools:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e\n\u003cb\u003eSafety First:\u003c\/b\u003e Let the exhaust system cool completely before starting. Use jack stands rated for your truck's weight if working without a lift.\u003c\/li\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e\n\u003cb\u003eOxygen Sensor:\u003c\/b\u003e Before replacing the converter, inspect your upstream and downstream O2 sensors. A faulty O2 sensor can also trigger a P0420 code.\u003c\/li\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e\n\u003cb\u003eTorque Flange Bolts:\u003c\/b\u003e Tighten evenly in a crisscross pattern to the manufacturer's recommended spec. Over-tightening can distort the flange and cause leaks.\u003c\/li\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e\n\u003cb\u003eLeak Test:\u003c\/b\u003e After installation, start the engine and inspect all flange connections for exhaust leaks. Listen for a ticking sound and feel around the joints.\u003c\/li\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e\n\u003cb\u003eClear Codes:\u003c\/b\u003e Use an OBD-II scanner to clear the P0420 code after installation. The catalyst monitor needs several drive cycles to complete before it will pass readiness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626; background-color: #fff5d0; padding: 10px;\"\u003e\u003cb\u003ePro Tip:\u003c\/b\u003e Spray penetrating oil on the flange bolts the night before you plan to work on the truck. Original exhaust bolts that have been on for 15+ years can be stubborn — a little patience and PB Blaster goes a long way.\u003c\/p\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eWhat's Included\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul style=\"list-style-type: disc; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e\u003cb\u003e1x Catalytic Converter with Installation Accessories\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"AMVirtuo","offers":[{"title":"Default Title","offer_id":48176616144996,"sku":"AM-50511","price":189.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/1889\/8276\/files\/1-1_a494125b-7910-4b39-b6df-e93b20002435.jpg?v=1775468332"},{"product_id":"amvirtuo-altima-07-13-catalytic-converter","title":"AMVirtuo Catalytic Converter for Nissan Altima 2007-2013 2.5L | Vehicle-Specific Replacement Exhaust Manifold Replacement","description":"\u003ch2 style=\"margin: 0.0px 0.0px 15.0px 0.0px; font: 18.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003ePrecision Fitment for Altima 2.5L (2007-2013)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eThis Nissan Altima catalytic converter is engineered as a direct replacement for the factory exhaust manifold assembly on 2007-2013 Altima models with the 2.5L QR25DE engine. Covers all sub-models — S, SV, SL, and SE — with both naturally aspirated and full hybrid variants.\u003c\/p\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eEliminates P0420 Check Engine Light\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eThe most common failure on high-mileage Altima 2.5L engines is catalyst efficiency degradation. This replacement resolves the P0420 \"Catalyst Efficiency Below Threshold\" code by restoring proper three-way catalytic conversion, clearing the check engine light and smoothing out rough idling.\u003c\/p\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eT409 Stainless Steel Shell with TIG Welding\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eThe outer shell uses T409 stainless steel for superior corrosion and high-temperature resistance. Every joint is TIG-welded for crack-free durability, and the removable oxygen sensor cover provides added installation flexibility around the O2 sensor location.\u003c\/p\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003ePrecious Metal Catalyst Coating\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eThe internal substrate is coated with a uniform layer of platinum, palladium, and rhodium — the three precious metals essential for efficient catalytic conversion of HC, CO, and NOx emissions. Consistent coating coverage maximises conversion performance and extends service life.\u003c\/p\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eEmissions Notice\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eIntended for federal-use applications where permitted. Not for vehicles registered in CA, ME, CO, or NY. Verify local emissions and inspection requirements before purchase. Cannot be sold for vehicles registered in California, Colorado, New York, or Maine. Confirm your local registration rules before purchasing.\u003c\/p\u003e\n\u003ch2 style=\"margin: 0.0px 0.0px 15.0px 0.0px; font: 18.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eDescription\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eThe Nissan Altima 2.5L is one of the best-selling midsize sedans in the U.S., and high-mileage examples commonly develop catalytic converter issues. If your 2007-2013 Altima is showing a P0420 code, running rough, or failing emissions, this Vehicle-specific design catalytic converter may help when the converter is confirmed as the failed component without the dealership markup.\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eThis unit replaces the entire factory exhaust manifold converter assembly. The stainless steel shell holds up to daily driving and under-hood heat cycling far better than the original, and the TIG-welded seams eliminate the cracking problems that plague OE converters as they age. The removable O2 sensor cover simplifies installation, especially in the tight engine bay of the Altima.\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eEverything you need is in the box — the converter assembly, exhaust manifold gasket, and mounting hardware. No special tools beyond a standard socket set are required, though professional installation is always recommended.\u003c\/p\u003e\n\u003ch2 style=\"margin: 0.0px 0.0px 15.0px 0.0px; font: 18.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eVehicle Fitment\u003c\/b\u003e\u003c\/h2\u003e\n\u003ctable style=\"margin: 15.0px 0.0px 15.0px 0.0px; border-collapse: collapse; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #1000d8; padding: 12.0px 15.0px; color: #ffffff; font-weight: bold; font-size: 12px;\"\u003eVehicle\u003c\/td\u003e\n\u003ctd style=\"background-color: #1000d8; padding: 12.0px 15.0px; color: #ffffff; font-weight: bold; font-size: 12px;\"\u003eYears\u003c\/td\u003e\n\u003ctd style=\"background-color: #1000d8; padding: 12.0px 15.0px; color: #ffffff; font-weight: bold; font-size: 12px;\"\u003eEngine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eNissan Altima\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e2007-2013\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e2.5L L4 DOHC (Naturally Aspirated \u0026amp; FHEV Hybrid)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #7c1f0c;\"\u003e⚠️ \u003cb\u003eImportant Fitment Notes\u003c\/b\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\u003cb\u003eEngine:\u003c\/b\u003e Fits 2.5L (2500cc \/ 152Cu. in.) L4 DOHC engines only — both naturally aspirated and Full Hybrid EV-Gas (FHEV) variants.\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\u003cb\u003eNot Compatible With:\u003c\/b\u003e 3.5L V6 Altima models. This converter is designed exclusively for the QR25DE 2.5L four-cylinder.\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\u003cb\u003eOE Reference Numbers:\u003c\/b\u003e 674-933, 140E2-ZX31E, 140E2-JA02E, 14002-JA91E, 12498616.\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\u003cb\u003eEmissions Compliance:\u003c\/b\u003e Emissions Notice. Not legal for vehicles registered in CA, CO, NY, or ME.\u003c\/p\u003e\n\u003ch2 style=\"margin: 0.0px 0.0px 15.0px 0.0px; font: 18.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h2\u003e\n\u003ctable style=\"margin: 15.0px 0.0px 15.0px 0.0px; border-collapse: collapse; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #1000d8; padding: 12.0px 15.0px; color: #ffffff; font-weight: bold; font-size: 12px;\"\u003eSpecification\u003c\/td\u003e\n\u003ctd style=\"background-color: #1000d8; padding: 12.0px 15.0px; color: #ffffff; font-weight: bold; font-size: 12px;\"\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eConverter Type\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eVehicle-specific design Exhaust Manifold Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eShell Material\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eT409 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eWelding\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eTIG Welded (all seams)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eCatalyst Coating\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003ePlatinum, Palladium, Rhodium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eSubstrate\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eCeramic honeycomb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eO2 Sensor Cover\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eRemovable (for installation flexibility)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eEmissions Standard\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eEmissions Notice\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eFitment\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eDirect Replacement (bolt-on)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"margin: 0.0px 0.0px 15.0px 0.0px; font: 18.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eInstallation Notes\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eThis converter is designed as a Vehicle-Specific Replacement Design, but the Altima engine bay has limited clearance. Professional installation is recommended:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e\n\u003cb\u003ePre-Installation Check:\u003c\/b\u003e Inspect your exhaust system for leaks, check spark plugs and engine oil condition, and verify exhaust system backpressure before replacing the converter.\u003c\/li\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e\n\u003cb\u003eO2 Sensor Inspection:\u003c\/b\u003e If you're getting a P0420 code, test your upstream and downstream O2 sensors first. A bad O2 sensor can mimic converter failure symptoms.\u003c\/li\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e\n\u003cb\u003eHeat Shield Note:\u003c\/b\u003e The factory heat shield may need slight modification to fit the replacement unit.\u003c\/li\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e\n\u003cb\u003eTorque Specifications:\u003c\/b\u003e Follow Nissan's factory torque specs for exhaust manifold bolts. Uneven torque can cause leaks at the gasket surface.\u003c\/li\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e\n\u003cb\u003eCode Clearing:\u003c\/b\u003e After installation, clear the P0420 code with an OBD-II scanner. The catalyst readiness monitor will need 3-5 drive cycles to complete.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626; background-color: #fff5d0; padding: 10px;\"\u003e\u003cb\u003ePro Tip:\u003c\/b\u003e When installing the new converter, apply a thin bead of high-temperature copper silicone sealant to both sides of the exhaust manifold gasket. This adds an extra layer of insurance against leaks at the cylinder head connection.\u003c\/p\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eWhat's Included\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul style=\"list-style-type: disc; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e1x Catalytic Converter Assembly (with integrated exhaust manifold)\u003c\/li\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e1x Exhaust Manifold Gasket\u003c\/li\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e1x Set of Mounting Accessories (bolts, hardware)\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"AMVirtuo","offers":[{"title":"Default Title","offer_id":48176631775332,"sku":"AM-58278","price":83.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/1889\/8276\/files\/amvirtuo-catalytic-converter-for-nissan-altima-2007-2013-2-5l-208.jpg?v=1775999791"}],"url":"https:\/\/avomotor.com\/es\/collections\/best-sellers.oembed","provider":"AMVirtuo MOTOR","version":"1.0","type":"link"}