Gibson 05-06 Chevrolet Avalanche 2500 LS 8.1L 1-3/4in 16 Gauge Performance Header - Ceramic Coated

Every Gibson Performance Header is Dyno-tuned and engineered to deliver more usable horsepower and torque at low and mid-range RPM highway speeds. Improves engines ability to breathe and cooler operating engine temperature. Designed as a direct replacement for the factory manifolds, using the stock crossover pipe. They are well suited for lowered and raised vehicles, street and off-road. 50 State Street legal. Meets EPA and CARB requirements. Will not affect the factory warranty. No welding required. Uses OEM style connections. 3/8" Heavy Duty Laser Cut Port Flanges- No Warping or Leaking. Premium Gaskets and Hardware included. Backed by a Lifetime Limited Warranty. With Out Air Injection; With Out EGR; automatic only. Fitment: ChevroletAvalanche 2500Base2004 ChevroletAvalanche 2500LS2005 ChevroletAvalanche 2500LS2006 ChevroletAvalanche 2500LT2005 ChevroletAvalanche 2500LT2006 ChevroletSilverado 2500 HDBase2004 ChevroletSilverado 2500 HDBase2005 ChevroletSilverado 2500 HDLS2004 ChevroletSilverado 2500 HDLS2005 ChevroletSilverado 2500 HDLT2004 ChevroletSilverado 2500 HDLT2005 ChevroletSilverado 2500 HDWT2004 ChevroletSilverado 2500 HDWT2005 ChevroletSilverado 3500Base2004 ChevroletSilverado 3500Base2005 ChevroletSilverado 3500LS2004 ChevroletSilverado 3500LS2005 ChevroletSilverado 3500LT2004 ChevroletSilverado 3500LT2005 ChevroletSilverado 3500WT2004 ChevroletSuburban 2500LS2004 ChevroletSuburban 2500LS2005 ChevroletSuburban 2500LT2004 ChevroletSuburban 2500LT2005 GMCSierra 2500 HDBase2004 GMCSierra 2500 HDBase2005 GMCSierra 2500 HDSLE2004 GMCSierra 2500 HDSLE2005 GMCSierra 2500 HDSLT2004 GMCSierra 2500 HDSLT2005 GMCSierra 2500 HDWT2004 GMCSierra 2500 HDWT2005 GMCSierra 3500Base2004 GMCSierra 3500Base2005 GMCSierra 3500SLE2004 GMCSierra 3500SLE2005 GMCSierra 3500SLT2004 GMCSierra 3500SLT2005 GMCSierra 3500WT2004 GMCSierra 3500WT2005 GMCYukon XL 2500SLE2004 GMCYukon XL 2500SLE2005 GMCYukon XL 2500SLT2004 GMCYukon XL 2500SLT2005