Looking for aftermarket parts to modify or upgrade your GMC R3500 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories for your R3500.
Whether you have a 1987 or 1989 GMC R3500 in Base to Sierra Classic trim we have you covered. We have 4 catback available to mod your R3500. All parts have free shipping to the Continental US 48 States.
 SHIPS FROM MANUFACTURER 65501For the enthusiast who wants an awesome look and aggressive throaty sound this Dual Split Cat back exhaust is for you. Gibson Exhaust Systems decrease backpressure and produce more torque and increased horsepower. Typical gains average of 15-20 horsepower. Stainless dual Tip exit straight out the ba... Gibson 88-93 Chevrolet C1500 Cheyenne 5.7L 2.5in Cat-Back Dual Split Exhaust - Stainless 1988-1989 GMC R3500 Base / High Sierra / Sierra Classic $652.28 |
 SHIPS FROM MANUFACTURER 315566Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepow... Gibson 77-86 GMC C1500 Base 5.0L 3in Cat-Back Single Exhaust - Aluminized 1987-1987 GMC R3500 Base / High Sierra / Sierra Classic $437.82 |
 SHIPS FROM MANUFACTURER 615566Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepow... Gibson 77-86 GMC C1500 Base 5.0L 3in Cat-Back Single Exhaust - Stainless 1987-1987 GMC R3500 Base / High Sierra / Sierra Classic $574.30 |
 SHIPS FROM MANUFACTURER 615571LGibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepow... Gibson 88-93 GMC C3500 Sierra 5.7L 3in Cat-Back Single Exhaust - Stainless 1988-1989 GMC R3500 Base / High Sierra / Sierra Classic $574.30 |