For 1978, the Olds Cutlass downsized to stay competitive in the evolving domestic car market. While the malaise era G-bodies weren't great performers in stock form, the capable architecture they were built upon lent them to hot rodding. If your G-Body needs a shot in the arm, our LS swap systems can help you get the job done.

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.