Flowmaster 817523 Cat-back System 409S - Single Rear Exit - Force II - Mild Sound
Fits 2007 to 2008 GM Silverado and Sierra on a 1/2 Ton chassis with a 4.8L or 5.3L engine with Flex Fuel option, fits all wheelbases except Extended Cab with long bed configuration, also fits 2009 to 2013 Chevrolet Silverado and GMC Sierra on a 1/2 Ton chassis with a 5.3L engine with Flex Fuel option, fits Extra Cab with 6.5 foot bed and Crew Cab with 5.5 foot bed only, fits 2 and 4 wheel drive models.
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. This Force II system delivers a mild exterior and interior tone, and is suited to customers looking for efficiency improvements without a lot of noise. Especially recommended for towing applications. 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.
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