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.

Improve the sound and performance of your ride with Hooker, Flowtech or Flowmaster mufflers! Choose from various styles including; turbo, chambered or glass pack styles in multiple configurations.