1978 brought big changes to GMC's car-truck. The Sprint name was dropped in favor of Caballero, and it now rested on G-Body architecture. While it wasn't exactly the performer it was in stock form in the muscle car era, the G-Body platform is able to easily accommodate a plethora of upgrades and engine swaps.

The #1 stop for cat-back, axle-back, headers, mufflers, and more! With brands like Flowmaster, Hooker Blackheart, Hooker Classic, Flowtech, Hurst, APR, Dinan and Edge, Holley has the perfect exhaust system for your ride. Whether it is a classic muscle car, late model muscle, sport compact, Jeep, truck, diesel, or European vehicle, we have the exhaust systems available to make your ride stand out from the rest and perform at its best.