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

GibsonSKU: GIBGP131S



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.
Certificate of Origin
Installation Instructions

This Part Fits:

Year Make Model Submodel
2002-2003 Chevrolet Avalanche 2500 Base
2001-2003 Chevrolet Silverado 2500 HD Base
2001-2003 Chevrolet Silverado 2500 HD LS
2001-2003 Chevrolet Silverado 2500 HD LT
2001-2003 Chevrolet Silverado 3500 Base
2001-2003 Chevrolet Silverado 3500 LS
2001-2003 Chevrolet Silverado 3500 LT
2001 Chevrolet Suburban 2500 Base
2001-2003 Chevrolet Suburban 2500 LS
2001-2003 Chevrolet Suburban 2500 LT
2002-2003 GMC Sierra 2500 HD Base
2001-2002 GMC Sierra 2500 HD SL
2001-2003 GMC Sierra 2500 HD SLE
2001-2003 GMC Sierra 2500 HD SLT
2003 GMC Sierra 2500 HD WT
2002-2003 GMC Sierra 3500 Base
2001-2002 GMC Sierra 3500 SL
2001-2003 GMC Sierra 3500 SLE
2001-2003 GMC Sierra 3500 SLT
2001-2003 GMC Yukon XL 2500 SLE
2001-2003 GMC Yukon XL 2500 SLT

Estimate shipping

Recommended Products

Verify fitment with your vehicle


(Change vehicle)