Gibson 99-01 Chevrolet Silverado 1500 Base 4.8L 1-5/8in 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. Flat Flange/Ball Seat Flange; With EGR Fitting; With Out Air Injection. Fitment: ChevroletSilverado 1500Base1999 ChevroletSilverado 1500Base2000 ChevroletSilverado 1500Base2001 ChevroletSilverado 1500LS1999 ChevroletSilverado 1500LS2000 ChevroletSilverado 1500LS2001 ChevroletSilverado 1500LT1999 ChevroletSilverado 1500LT2000 ChevroletSilverado 1500LT2001 ChevroletSilverado 2500Base1999 ChevroletSilverado 2500Base2000 ChevroletSilverado 2500LS1999 ChevroletSilverado 2500LS2000 ChevroletSilverado 2500LT1999 ChevroletSilverado 2500LT2000 ChevroletSuburban 1500Base2000 ChevroletSuburban 1500Base2001 ChevroletSuburban 1500LS2000 ChevroletSuburban 1500LS2001 ChevroletSuburban 1500LT2000 ChevroletSuburban 1500LT2001 ChevroletTahoeBase2000 ChevroletTahoeBase2001 ChevroletTahoeLS2000 ChevroletTahoeLS2001 ChevroletTahoeLT2000 ChevroletTahoeLT2001 GMCSierra 1500SL1999 GMCSierra 1500SL2000 GMCSierra 1500SL2001 GMCSierra 1500SLE1999 GMCSierra 1500SLE2000 GMCSierra 1500SLE2001 GMCSierra 1500SLT1999 GMCSierra 1500SLT2000 GMCSierra 1500SLT2001 GMCSierra 2500SL1999 GMCSierra 2500SL2000 GMCSierra 2500SLE1999 GMCSierra 2500SLE2000 GMCSierra 2500SLT1999 GMCSierra 2500SLT2000 GMCYukonSLE2000 GMCYukonSLE2001 GMCYukonSLT2000 GMCYukonSLT2001 GMCYukon XL 1500SLE2000 GMCYukon XL 1500SLE2001 GMCYukon XL 1500SLT2000 GMCYukon XL 1500SLT2001