Flowmaster Diesel Truck Cat-Back Systems

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It is through Flowmaster's dedication to research and testing that their products have become the undisputed leader of the exhaust performance market. With two high-tech factories now building an enormous variety of race and road proven products using their own custom built production machinery, Flowmaster can create the kinds of highly innovative products you want.

American Thunder Tuned Cat-Back Exhaust Systems
Bolt this system on and let people know you've arrived. American Thunder will deliver the aggressive tone you want and the performance you demand from Flowmaster. Each Flowmaster exhaust system comes with Performance Flowmaster Muffler(s), all pipes with hangers attached, clamps and mounting hardware and detailed installation instructions.

Force II Tuned Cat-Back Exhaust Systems
Wanna let folks know you've got a Flowmaster system under your vehicle when you open it up, but don't want a lot of interior resonance? Flowmaster's Force II systems are designed to provide plenty of ''Flowmaster Sound'' under acceleration, but lower levels while cruising.

Single Side Exit Exhaust Systems (SOS)
The SOS system is for the person who wants a subdued, but custom look, with all the benefits of a Flowmaster exhaust system. These systems feature mandrel bent 16 gauge aluminized steel tubing, either weld-on or flanged inlet pipe/pipes, specially tuned muffler, clamps, hangers and stainless steel exhaust tip exiting in the factory location out the side behind the rear tire of the vehicle.