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.

This Flowmaster FlowFX cat-back exhaust system for the 2014-2018 Chevrolet Silverado and GMC Sierra with the 5.3L L83 V8 engine sounds dope. See the video here.

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

Listed to the Flowmaster Outlaw exhaust kit, which is Borla's 'Aggressive' sound exhaust kit, for the 2019 Chevrolet Silverado with the 5.3-litr V8 engine.