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25" diameter Axle-Back system delivers the classic S-Type sound with no drone inside the vehicle
high-pressure Nitrogen charged shocks offer a fantastic blend of off-road action and smooth highway ride quality
This premium upgrade eliminates factory rake by raising the front end for a leveled appearance that enhances both style and stance
Quite Simply
Underside nibs promote drainage and keep the bedmat in place
Flowmaster Scavenger Y-Collector 2011-chevrolet-silverado-2500-hd-lt-esi7348453 25" diameter Axle-Back system deliversFlowmaster's unique, patented Scavenger Series Y Collector is founded on the principle of Pulse Technology. The large D Shaped ports in the collectors create a large surface area to help pull the exhaust pulses from the opposing connected cylinders. This creates a cleaner burn for the incoming fuel and air resulting in an increased and broader torque curve, putting more power in the rpm range. Flowmaster's Three Year limited warranty protects the Y
