Free Delivery 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 in. Heavy Duty Laser Cut Port Flanges- No Warping or Leaking. Premium Gaskets and Hardware included. Backed by a Lifetime Limited Warranty.This Part Fits:YearMakeModelSubmodel2004ChevroletAvalanche 2500Base2005-2006ChevroletAvalanche 2500LS2005-2006ChevroletAvalanche 2500LT2004-2005ChevroletSilverado 2500 HDBase2004-2005ChevroletSilverado 2500 HDLS2004-2005ChevroletSilverado 2500 HDLT2004-2005ChevroletSilverado 2500 HDWT2004-2005ChevroletSilverado 3500Base2004-2005ChevroletSilverado 3500LS2004-2005ChevroletSilverado 3500LT2004ChevroletSilverado 3500WT2004-2005ChevroletSuburban 2500LS2004-2005ChevroletSuburban 2500LT2004-2005GMCSierra 2500 HDBase2004-2005GMCSierra 2500 HDSLE2004-2005GMCSierra 2500 HDSLT2004-2005GMCSierra 2500 HDWT2004-2005GMCSierra 3500Base2004-2005GMCSierra 3500SLE2004-2005GMCSierra 3500SLT2004-2005GMCSierra 3500WT2004-2005GMCYukon XL 2500SLE2004-2005GMCYukon XL 2500SLT