Flowmaster Force II Cat-back Exhaust SystemOur Force II line of exhaust systems are engineered as our quietest offerings, but will wake up your vehicles sound and power over the factory O. E. exhaust. You can generally expect a noticeable sound increase with a deep performance tone outside the vehicle, yet minimal interior drone in the cab area while cruising down the road enjoying all the performance benefits you've come to expect from Flowmaster. This bolt on emissions legal cat back system