{"title":"1999–2006 Silverado \u0026 Sierra 1500 Parts","description":"\u003cp\u003eShop performance parts for 1999–2006 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. Check each product’s fitment for your exact year, engine, drivetrain and transmission before ordering.\u003c\/p\u003e","products":[{"product_id":"breezy-performance-1-3-4-longtube-headers-1999-2006","title":"Breezy Performance 1 3\/4\" Long Tube Headers for 1999–2006","description":"\u003cp\u003eBreezy Performance 1 3\/4-inch long tube headers for the Chevrolet, GMC and Cadillac V8 truck and SUV applications listed below. These polished stainless steel headers feature mandrel-bent tubing, CNC-machined flanges and 3-inch collectors.\u003c\/p\u003e\u003ch2\u003eFeatures and specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1 3\/4-inch primary tubes\u003c\/li\u003e\n\u003cli\u003e3-inch collectors\u003c\/li\u003e\n\u003cli\u003eMandrel-bent tubing\u003c\/li\u003e\n\u003cli\u003ePolished stainless steel construction\u003c\/li\u003e\n\u003cli\u003eCNC-machined flanges\u003c\/li\u003e\n\u003cli\u003eRace version without AIR or EGR fittings\u003c\/li\u003e\n\u003cli\u003eFor 4.8L, 5.3L and 6.0L V8 engines only\u003c\/li\u003e\n\u003cli\u003eStandard graphite manifold gaskets and bolts included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eVehicle applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1999–2006 Chevrolet trucks and SUVs, 2WD and 4WD\u003c\/li\u003e\n\u003cli\u003e1999–2006 GMC trucks and SUVs, 2WD and 4WD\u003c\/li\u003e\n\u003cli\u003e2002–2006 Cadillac trucks and SUVs, 2WD and 4WD\u003c\/li\u003e\n\u003cli\u003e2002–2006 Chevrolet Avalanche, 2WD and 4WD\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eConfirm your vehicle's year, engine and application before ordering. These headers do not have AIR or EGR fittings.\u003c\/p\u003e\u003ch2\u003eChoose your package\u003c\/h2\u003e\u003cp\u003eSelect Header Only or Header + MLS Gasket Set. The Header + MLS Gasket Set option adds the MLS gasket set to your selection.\u003c\/p\u003e","brand":"Breezy Performance Tuning","offers":[{"title":"Header Only","offer_id":47377423892618,"sku":"BP-010","price":289.99,"currency_code":"USD","in_stock":true},{"title":"Header + MLS Gasket Set","offer_id":47377423925386,"sku":"BP-013","price":314.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9833\/3578\/files\/ChatGPT_Image_Nov_30_2025_06_49_09_PM.png?v=1781391641"},{"product_id":"breezy-performance-1-7-8-longtube-headers-1999-2006","title":"Breezy Performance 1 7\/8\" LONGTUBE HEADERS (1999-2006)","description":"\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003eMandrel Bent Tubing\u003c\/em\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003eRace Version with \"NO\" Air \u0026amp; EGR Fittings\u003c\/em\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003eFull 1 7\/8\" Primaries\u003c\/em\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003e3\" Collector\u003c\/em\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003eGains over 25+ rwhp\u003c\/em\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003eV8 Engines Only\u003c\/em\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003e4.8L, 5.3L, 6.0L Engines\u003c\/em\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003eCNC Machined Flanges\u003c\/em\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003ePolished Stainless Steel\u003c\/em\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003eStandard Graphite Manifold Gaskets\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cu data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003eVehicle Applications:\u003c\/em\u003e\u003c\/u\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003e1999-2006 Chevrolet Truck \u0026amp; SUV (2wd \u0026amp; 4wd)\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003e1999-2006 GMC Truck \u0026amp; SUV (2wd \u0026amp; 4wd)\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003e2002-2006 Cadillac Truck \u0026amp; SUV (2wd \u0026amp; 4wd)\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003e2002-2006 Chevrolet Avalanche (2wd \u0026amp; 4wd)\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Breezy Performance Tuning","offers":[{"title":"Headers Only","offer_id":47377417797770,"sku":"BP-011","price":309.99,"currency_code":"USD","in_stock":true},{"title":"Headers + MLS Gasket Set","offer_id":47377417830538,"sku":"BP-012","price":334.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9833\/3578\/files\/ChatGPT_Image_Nov_30_2025_06_49_09_PM.png?v=1781391641"},{"product_id":"1999-2006-off-road-y-pipe","title":"1999-2006 Off-Road Y-Pipe","description":"\u003ch1 class=\"h2 product-single__title\"\u003eOff-Road Y-Pipe\u003cspan class=\"product-small-title-part\"\u003e1999-2006 Truck \u0026amp; SUV\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eSpeed Engineering Y-Pipes are made out of 304 stainless steel and offer great quality, performance, and affordability. Our Y-Pipes are mandrel bent, tig welded, and feature natural stainless steel construction. All of our Y-Pipes have been dyno proven. We stand behind our headers \u0026amp; Y-Pipes in saying you will not find a better fitting, quality built, budget header for your vehicle.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"style1\"\u003eRevised Y-Pipe: Now works with 4L60E \u0026amp; 4L80E transmissions\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003ewith factory pan\u003c\/span\u003e. Also allows more room for 4wd vehicles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFeatures include:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMandrel Bent Tubing\u003c\/li\u003e\n\u003cli\u003e3\" Tubing\u003c\/li\u003e\n\u003cli\u003eNatural Stainless Steel\u003c\/li\u003e\n\u003cli\u003eStainless Steel Band Clamps\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Speed Engineering","offers":[{"title":"Default Title","offer_id":46328548163722,"sku":"25-1014","price":189.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9833\/3578\/files\/25-1014SilveradoSierraOff-RoadY-Pipe.webp?v=1747943772"},{"product_id":"cometic-gm-gen-3-4-header-gasket-set","title":"Cometic GM Gen-3\/4 Header Gasket Set","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCometic HTS exhaust gaskets consist of multiple layers of sturdy stainless steel, providing superior flexibility and corrosion resistance. The outer surfaces are coated with a heat-resistant, graphite-based material to deliver a premium seal capable of enduring various sealing pressures and surface conditions. These Headers gaskets are designed for 1999-2013 Silverado and Sierra models equipped with 4.8L, 5.3L, 6.0L, and 6.2L engines.\u003cem\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Breezy Performance Tuning","offers":[{"title":"Default Title","offer_id":47043029532810,"sku":"C15547","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9833\/3578\/files\/cgt-c15547_xl.jpg?v=1757638992"},{"product_id":"silverado-sierra-1-7-8-longtube-headers-1999-2006","title":"Silverado \u0026 Sierra 1 7\/8\" Longtube Headers 1999-2006","description":"\u003ch1\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eSHIPPED FROM MANUFACTURER!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eSpeed Engineering Silverado \u0026amp; Sierra longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Our Silverado \u0026amp; Sierra longtube headers are mandrel bent, tig welded, and feature natural stainless steel construction. All of our Silverado \u0026amp; Sierra longtube headers have been dyno proven. We stand behind our Silverado \u0026amp; Sierra longtube headers in saying you will not find a better fitting, quality built, budget header for your vehicle.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eMandrel Bent Tubing\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eRace Version with \"NO\" Air \u0026amp; EGR Fittings\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFull 1 7\/8\" Primaries\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e3\" Collector\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eLongtube Header Design\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eSilverado \/ Sierra \/ SUV LS Headers\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eGains over 25+ rwhp\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eV8 Engines Only\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e4.8L, 5.3L, 6.0L Engines\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eCNC Machined Flanges\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNatural 304 Stainless Steel\u003cbr\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStandard Graphite Manifold Gaskets\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003e\u003cem\u003eVehicle Applications:\u003c\/em\u003e\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e1999-2006 Chevrolet  SIlverado Truck \u0026amp; Tahoe SUV (2wd \u0026amp; 4wd)\u003cbr\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e1999-2006 GMC Sierra Truck \u0026amp;  Yukon SUV (2wd \u0026amp; 4wd)\u003cbr\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e2002-2006 Cadillac EXT Truck (2wd \u0026amp; 4wd)\u003cbr\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e2002-2006 Cadillac Escalade SUV (2wd \u0026amp; 4wd)\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e2002-2006 Chevrolet Avalanche (2wd \u0026amp; 4wd)\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eNote\u003c\/strong\u003e: \u003cem\u003eIf using a larger 4L80E transmission the bellhousing ears may need to be trimmed for proper clearance.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e\u003cem\u003eNote: \u003c\/em\u003e\u003c\/strong\u003e\u003cem\u003eEarlier 2500's might have fitment issues due to chassis being designed from previous years. Earlier years have the upper control arms mounted on top of the chassis, which would cause fitment issues.\u003c\/em\u003e\u003cem\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e\u003cem\u003eNote: \u003c\/em\u003e\u003c\/strong\u003e\u003cem\u003eMost 6.0 applications have a 2 into 1 exhaust system which our y pipe system will not work with. Double check your exhaust for confirmation of fitment with single exhaust.\u003c\/em\u003e\u003cem\u003e \u003c\/em\u003e\u003cem\u003eOur x pipe kit can work on the 2 into 1 exhaust systems, but require fabrication for connection.\u003c\/em\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e\u003cem\u003e\u003cbr\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cem\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e(Warning)\u003c\/span\u003e \u003c\/strong\u003eThis is a RACE ONLY product manufactured and sold for installation on vehicles to be used solely for competition purposes. Once this part is installed, the vehicle may never be used, or registered or licensed for use, on a public road or highway. If you install this part on your vehicle and use the vehicle on a public road or highway, you will violate the Clean Air Act 203(a)(3), 42 U.S.C, 7522(a)(3) and may be subject to personal civil or criminal liability.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Speed Engineering","offers":[{"title":"Default Title","offer_id":48021172584586,"sku":null,"price":339.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9833\/3578\/files\/speedengineeringheaders.webp?v=1776124813"},{"product_id":"silverado-sierra-1-3-4-longtube-headers-1999-2006","title":"Silverado \u0026 Sierra 1 3\/4\" Longtube Headers 1999-2006","description":"\u003ch1\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eSHIPPED FROM MANUFACTURER!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eSpeed Engineering Silverado \u0026amp; Sierra longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Our Silverado \u0026amp; Sierra longtube headers are mandrel bent, tig welded, and feature natural stainless steel construction. All of our Silverado \u0026amp; Sierra longtube headers have been dyno proven. We stand behind our Silverado \u0026amp; Sierra longtube headers in saying you will not find a better fitting, quality built, budget header for your vehicle.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eFeatures include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eMandrel Bent Tubing\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eMerge Spikes\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eRace Version with \"NO\" Air \u0026amp; EGR Fittings\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFull 1 3\/4\" Primaries\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eLongtube Header Design\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eSilverado \/ Sierra \/ SUV LS Headers\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e3\" Collector\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eGains over 25+ rwhp\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eV8 Engines Only\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e4.8L, 5.3L, 6.0L Engines\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eCNC Machined Flanges\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNatural Stainless Steel (Y-Pipe Natural Stainless Steel)\u003cbr\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStandard Graphite Manifold Gaskets\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cu\u003e\u003cem\u003eVehicle Applications:\u003c\/em\u003e\u003c\/u\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e1999-2006 Chevrolet  SIlverado Truck \u0026amp; Tahoe SUV (2wd \u0026amp; 4wd)\u003cbr\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e1999-2006 GMC Sierra Truck \u0026amp;  Yukon SUV (2wd \u0026amp; 4wd)\u003cbr\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e2002-2006 Cadillac EXT Truck (2wd \u0026amp; 4wd)\u003cbr\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e2002-2006 Cadillac Escalade SUV (2wd \u0026amp; 4wd)\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e2002-2006 Chevrolet Avalanche (2wd \u0026amp; 4wd)\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eNote\u003c\/strong\u003e: \u003cem\u003eIf using a larger 4L80E transmission the bellhousing ears may need to be trimmed for proper clearance.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e\u003cem\u003eNote: \u003c\/em\u003e\u003c\/strong\u003e\u003cem\u003eMost 6.0 applications have a 2 into 1 exhaust system which our y pipe system will not work with. Double check your exhaust for confirmation of fitment with single exhaust.\u003c\/em\u003e\u003cem\u003e \u003c\/em\u003e\u003cem\u003eOur x pipe kit can work on the 2 into 1 exhaust systems, but require fabrication for connection.\u003c\/em\u003e\u003cstrong\u003e\u003cem\u003e\u003cbr\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e\u003cem\u003eNote: \u003c\/em\u003e\u003c\/strong\u003e\u003cem\u003eEarlier 2500's might have fitment issues due to chassis being designed from previous years. Earlier years have the upper control arms mounted on top of the chassis, which would cause fitment issues.\u003c\/em\u003e\u003c\/span\u003e\u003cspan\u003e\u003cem\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cem\u003e\u003cstrong\u003e(Warning) \u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003cem\u003eThis is a RACE ONLY product manufactured and sold for installation on vehicles to be used solely for competition purposes. Once this part is installed, the vehicle may never be used, or registered or licensed for use, on a public road or highway. If you install this part on your vehicle and use the vehicle on a public road or highway, you will violate the Clean Air Act 203(a)(3), 42 U.S.C, 7522(a)(3) and may be subject to personal civil or criminal liability.\u003c\/em\u003e\u003c\/p\u003e","brand":"Speed Engineering","offers":[{"title":"Default Title","offer_id":48021186740362,"sku":null,"price":319.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9833\/3578\/files\/speedengineeringheaders_6d108802-e2f8-49ca-b335-cbed64e08f17.webp?v=1776125282"},{"product_id":"breezy-performance-2-longtube-headers-1999-2006","title":"Breezy Performance 2\" LONGTUBE HEADERS (1999-2006)","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cdiv style=\"border: 2px solid #b42318; padding: 12px 16px; margin-bottom: 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eDriver-side fitment notice:\u003c\/strong\u003e The driver-side header may contact the steering shaft on some 1999–2006 GM trucks and SUVs. Depending on your vehicle’s configuration, fabrication may be required to achieve steering shaft clearance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eMandrel Bent Tubing\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eRace Version with \"NO\" Air \u0026amp; EGR Fittings\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFull 2\" Primaries\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e3\" Collector\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eGains over 25+ rwhp\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eV8 Engines Only\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e4.8L, 5.3L, 6.0L Engines\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eCNC Machined Flanges\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePolished Stainless Steel\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eStandard Graphite Manifold Gaskets\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cu\u003e\u003cem\u003eVehicle Applications:\u003c\/em\u003e\u003c\/u\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e1999-2006 Chevrolet Truck \u0026amp; SUV (2wd \u0026amp; 4wd)\u003cbr\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e1999-2006 GMC Truck \u0026amp; SUV (2wd \u0026amp; 4wd)\u003cbr\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e2002-2006 Cadillac Truck \u0026amp; SUV (2wd \u0026amp; 4wd)\u003cbr\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e2002-2006 Chevrolet Avalanche (2wd \u0026amp; 4wd)\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Breezy Performance Tuning","offers":[{"title":"Default Title","offer_id":48220785737866,"sku":null,"price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9833\/3578\/files\/ChatGPTImageApr19_2026_05_31_38PM_de791d04-5e3d-4d28-b5d1-4f4e8da71313.png?v=1776639271"},{"product_id":"breezy-1999-2006-off-road-y-pipe","title":"Breezy Performance 1999-2006 Off-Road Y-Pipe","description":"\u003ch1 class=\"h2 product-single__title\"\u003eOff-Road Y-Pipe\u003cspan class=\"product-small-title-part\"\u003e1999-2006 Truck \u0026amp; SUV\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eUpgrade your 1999–2006 GM Truck or SUV with the Breezy Performance 304 Stainless Steel Y-Pipe, engineered for improved exhaust flow, aggressive sound, and precise fitment. Designed specifically to pair with Breezy Performance Longtube Headers, this high-flow Y-pipe features mandrel-bent 3” tubing, precision TIG-welded construction, and stainless steel band clamps for long-lasting durability and performance.\u003c\/p\u003e\n\u003cp\u003eDesigned clearance for both 2WD and 4WD applications while remaining compatible with factory 4L60E and 4L80E transmission pans.\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003cbr\u003e• Premium 304 Stainless Steel\u003cbr\u003e• Mandrel Bent 3” Tubing\u003cbr\u003e• TIG-Welded Construction\u003cbr\u003e• Stainless Steel Band Clamps Included\u003cbr\u003e• Improved Exhaust Flow \u0026amp; Performance\u003cbr\u003e• Fits 2WD \u0026amp; 4WD Applications\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eFitment:\u003cbr\u003e1999–2006 Silverado, Sierra, Tahoe, Yukon, Suburban, Escalade \u0026amp; other compatible GM LS-based trucks\/SUVs equipped with Breezy Performance Longtube Headers.\u003c\/p\u003e\n\u003cp\u003eNote:\u003cbr\u003eDesigned to work with Breezy Performance Longtube Headers only. Not compatible with factory exhaust manifolds.\u003cbr\u003e\u003c\/p\u003e","brand":"Breezy Performance Tuning","offers":[{"title":"Default Title","offer_id":49138997330058,"sku":"BP-9906Y","price":169.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9833\/3578\/files\/ChatGPT_Image_May_6_2026_10_00_53_AM.png?v=1778079864"},{"product_id":"1999-2006-silverado-sierra-single-turbo-kit","title":"1999 - 2006  Silverado Sierra Single Turbo Kit","description":"\u003ch2\u003eStreet \/ Quick Spool\u003c\/h2\u003e\n\u003ch3\u003e\n\u003cstrong\u003eVSR Next Gen 7875 Billet 1.25 T4 Single Turbo Kit\u003c\/strong\u003e\u003cbr\u003eBest for stock bottom end 4.8 \/ 5.3 builds and fast street response.\u003c\/h3\u003e\n\u003cul class=\"hpf-spec-list\"\u003e\n\u003cli\u003e700–800 RWHP capable\u003c\/li\u003e\n\u003cli\u003eQuick spool street turbo\u003c\/li\u003e\n\u003cli\u003eNo converter required for mild street use\u003c\/li\u003e\n\u003cli\u003eGreat with a built 4L60E\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"hpf-info-card__list\"\u003e\n\u003cli\u003eComplete Stainless hot side kit\u003c\/li\u003e\n\u003cli\u003e.120 Shorty and log manifolds\u003c\/li\u003e\n\u003cli\u003eSlip joint crossover tube to prevent common bellow blowouts\u003c\/li\u003e\n\u003cli\u003e4\" Down pipe to prevent backpressure issues\u003c\/li\u003e\n\u003cli\u003eCommon 44mm gate flange\u003c\/li\u003e\n\u003cli\u003eO2 bung provisions pre \u0026amp; post turbo\u003c\/li\u003e\n\u003cli\u003e3\" Aluminum Mandrel bends\u003c\/li\u003e\n\u003cli\u003eVehicle specific charge pipe routing\u003c\/li\u003e\n\u003cli\u003eDesigned around 3\" and 4\" intercooler options\u003c\/li\u003e\n\u003cli\u003e50mm BOV flange \u0026amp; (3\/8\" NPT) IAT bung\u003c\/li\u003e\n\u003cli\u003eKit includes all couplers and clamps\u003c\/li\u003e\n\u003cli\u003eDesigned for all stock truck\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/9833\/3578\/files\/4.8_SBE.png?v=1781388003\" alt=\"\" width=\"724\" height=\"407\"\u003e\u003c\/p\u003e\n\u003ch2 class=\"hpf-performance__mod-title\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eSupporting Mod List for Dyno Sheet\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul class=\"hpf-performance__mods\"\u003e\n\u003cli\u003eSBE 4.8\u003c\/li\u003e\n\u003cli\u003eHPF Street \/ Quick Spool Kit\u003c\/li\u003e\n\u003cli\u003e78\/75 VSR Turbo\u003c\/li\u003e\n\u003cli\u003eTurbosmart Wastegate Upgrade\u003c\/li\u003e\n\u003cli\u003eDual 450 Pumps\u003c\/li\u003e\n\u003cli\u003eCam\u003c\/li\u003e\n\u003cli\u003eBuilt 4L80E\u003c\/li\u003e\n\u003cli\u003eCircle D Billet Converter\u003c\/li\u003e\n\u003cli\u003e4.11 Gears\u003c\/li\u003e\n\u003cli\u003eNNBS Intake Manifold\u003c\/li\u003e\n\u003cli\u003eFIC 2200cc Injectors\u003c\/li\u003e\n\u003cli\u003eBuilt 1350 Driveshaft\u003c\/li\u003e\n\u003cli\u003ePump E85\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Breezy Performance Tuning","offers":[{"title":"Default Title","offer_id":49537905688714,"sku":null,"price":3599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9833\/3578\/files\/ChatGPT_Image_Jun_13_2026_05_47_18_PM.png?v=1781390882"}],"url":"https:\/\/www.breezyperformancetuning.com\/collections\/1999-2006-silverado-sierra-1500-parts.oembed","provider":"Breezy Performance Tuning","version":"1.0","type":"link"}