US Muscle Mods is your one stop muscle car performance shop. US Muscle Mods offers aftermarket performance parts and accessories for the Ford Mustang, Chevy Corvette, Dodge Charger, and many other muscle cars. We know what these cars are capable of and want to help you unlock your muscle cars full potential. We carry everything from cold air intakes, performance chips, exhaust systems, and more to help you unleash the power of your beast.