Flowmaster Force II Cat-back Exhaust System – Flowmaster (817523)

For the person who wants a subtle custom appearance with all the benefits that a Flowmaster® Cat-back exhaust system provides. This Force II single exhaust system includes all stainless steel 3.00-inch mandrel-bent tubing flowing into a Super 50™ Series muffler, uses the factory hanger locations and has a large single tailpipe finished off with a 3.50-inch polished stainless steel tip. 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 and are covered by our Lifetime Limited Warranty. Notes: Also fits 2009-2013 GM Silverado/Sierra 1500 with 5.3L Extended Cab/6-ft bed and CC/5.5ft bed.
2007-2008 GM Silverado/Sierra 1500 4.8L, 5.3L engine flex fuel. All wheelbases except EC/LB. Also fits 2009-2013 GM Silverado/Sierra 1500 with 5.3L Extended Cab/6-ft bed and CC/5.5ft bed. – Mild sound
07-13 GM 1500 5.3L FII SOS 409S
SYS 07-13 GM
Fits 2007-2008 GM Silverado/Sierra 1500 4.8L, 5.3L engine flex fuel, all wheelbases except EC/LB. Also fits 2009-2013 GM Silverado/Sierra 1500 with 5.3L EC/6ft bed and CC/5.5ft bed.
Manufacturer of performance exhaust systems, mufflers, performance air intakes, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 4 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.

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