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

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.