Like all of GM's other A-Body vehicles, the Lemans got a fresh makeover in 1968 that carried through 1972. Along the way its 350 cubic inch engine was bumped up to 330 hp while its 400 and 455 cubic inch siblings became optional powerplants even without the GTO nameplate.

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.