Flowmaster American Thunder Stainless Steel Dual Exhaust System with Polished Tips; Middle Side Exit (99-06 4.8L/5.3L Sierra 1500 Extended Cab w/ 6.50-Foot Standard Box)

Boost Performance and Sound. Get improved mileage, power and throttle response for your Silverado 1500, and have the added convenience of keeping the factory catalytic converter by installing a Flowmaster American Thunder Stainless Steel Dual Exhaust System with Polished Tips; Middle Side Ext. Not only will this cat-back exhaust increase torque and horsepower, it will add a deep and aggressive rumble that will make you feel as if you're about to hit the NASCAR race track.

Moderate-to-Aggressive Exterior Exhaust Tone. The Flowmaster American Thunder Stainless Steel Dual Exhaust delivers a moderate-to-aggressive tone that can be appreciated on both the interior and exterior, and is best suited for the Silverado enthusiast who wants his or her presence to be known when off-roading, or on daily rides on the street.

Stainless Steel Construction. Flowmaster manufactures and designs its cat-back exhaust from mandrel-bent, 16-gauge, 2-1/2-inch stainless steel tubing made for added durability and corrosion resistance. This Flowmaster American Thunder Cat-Back Exhaust features dual 3-inch, polished tips, a middle side exit and a Super 40 Series Performance Muffler for superb exhaust flow.

Application. This Flowmaster American Thunder Stainless Steel Dual Exhaust System with Polished Tips; Middle Side Exit is designed to fit 1999-2006 4.8L/5.3L Silverado 1500 Extended Cab models with Standard Box.

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