New attitude and proven quality team up in the latest line from Flowmaster, the Flowmaster FlowFX straight-through performance mufflers and exhaust systems.

The Series 50 Delta Flow is Flowmaster's ultimate street muffler. It delivers a deep, throaty burble at idle and that traditional Flowmaster sound without cabin resonance. It is important to note ...

If you want your Mustang GT to sound throatier than stock, the Flowmaster FlowFX is now available at a discount with free shipping in the continental U.S.