The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16...

Flowmaster's Flow FX series mufflers deliver a moderate performance tone for the enthusiast looking for an exhaust note that is different from the "chambered" muffler sound. The interior features a...

GM's popular LS engines are finding their way into a large variety of vehicles. They make great power, plus they're very durable and reliable. Unfortunately, the factory LS pans don't...