Looking for aftermarket parts to modify or upgrade your 1989 GMC R3500 with headers & manifolds? At Tunersports.com we carry a huge selection of the top name brand performance headers & manifold parts and accessories for your R3500.
Whether you have a 1989 GMC R3500 in Base to Sierra Classic trim we have you covered. We have 2 headers & manifolds available to mod your R3500. All parts have free shipping to the Continental US 48 States.
 SHIPS FROM MANUFACTURER GP100S-CEvery 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 ... Gibson 88-95 Chevrolet C1500 Cheyenne 5.0L 1-1/2in 16 Gauge Performance Header - Ceramic Coated 1988-1989 GMC R3500 High Sierra / Sierra Classic 1988-1991 GMC R3500 Base $708.57 |
 IN STOCK - DROPSHIPS GP100SEvery 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 ... Gibson 88-95 Chevrolet C1500 Cheyenne 5.0L 1-1/2in 16 Gauge Performance Header - Stainless 1988-1989 GMC R3500 High Sierra / Sierra Classic 1988-1991 GMC R3500 Base $588.26 |