G3GM 1973 to 1977 A-bodys. Chevelles, Monte Carlos, El Caminos, Laguna, 442, Cutlass, Malibu, GTO, LeMans, Century, Regal, Grand Am, Grand Prix, Sprint, Gran Sport, Can Am, Hurst-olds, and other 73-77 A-bodies
I bet that sounds real good. Does your exhaust come all the way out back or do you use dumps after the Flowmasters? I have the same mufflers on my 86 Silverado. With the cam they sound pretty tuff. Enjoy.