Buy Today Gibson 01-03 Chevrolet Silverado 3500 Base 8.1L 1-3/4in 16 Gauge Performance Header – Stainless

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:YearMakeModelSubmodel2002-2003ChevroletAvalanche 2500Base2001-2003ChevroletSilverado 2500 HDBase2001-2003ChevroletSilverado 2500 HDLS2001-2003ChevroletSilverado 2500 HDLT2001-2003ChevroletSilverado 3500Base2001-2003ChevroletSilverado 3500LS2001-2003ChevroletSilverado 3500LT2001ChevroletSuburban 2500Base2001-2003ChevroletSuburban 2500LS2001-2003ChevroletSuburban 2500LT2002-2003GMCSierra 2500 HDBase2001-2002GMCSierra 2500 HDSL2001-2003GMCSierra 2500 HDSLE2001-2003GMCSierra 2500 HDSLT2003GMCSierra 2500 HDWT2002-2003GMCSierra 3500Base2001-2002GMCSierra 3500SL2001-2003GMCSierra 3500SLE2001-2003GMCSierra 3500SLT2001-2003GMCYukon XL 2500SLE2001-2003GMCYukon XL 2500SLT