We’ve already shown you the Flowmaster FlowFX exhaust kit for the 5.3-liter V8 2019 Chevrolet Silverado and 2019 GMC Sierra, which offers a ‘Moderate’ interior sound level but an ‘Aggressive’ exterior ...
24 Feb 2019, 16:33 UTC · By: Mircea Panait // 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.