Flowmaster 17328 American Thunder Cat Back Exhaust System | Chev Silverado 2500 3500 HD GMC Sierra

Flowmaster 17328 American Thunder Cat Back Exhaust System

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Manufacturer Product Description: For the person who wants a subtle custom appearance with all the benefits that a Flowmaster Cat-back exhaust system provides. S.O.S. (Single out side) systems are the perfect choice. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.

17328 Flowmaster Fitment Data Includes But May Not Be Limited To The Following Vehicles (If you have fitment questions or concerns, please contact us prior to ordering): 2001-2002 Chevrolet Silverado 2500 HD, 2001-2004 GMC Sierra 3500, 2001-2002 GMC Sierra 2500 HD, 2001-2004 Chevrolet Silverado 3500, 2003-2003 GMC Sierra 2500 HD, 2003-2003 Chevrolet Silverado 2500 HD, 2004-2004 GMC Sierra 2500 HD, 2004-2004 Chevrolet Silverado 2500 HD

Manufacturer Product & Fitment Notes: Single, Single Side Exit, Incl. 3.5 in. Tubing, 50 Series(TM) Big Block Muffler, 4 in. Logo Embossed Stainless Tip,50 State Legal / California Emissions Compliant Factory Dual Inlet Muffler Only

Manufacturer Part # 17328