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. Force II systems delivers a mild exterior tone and moderate to mild interior tone, and are 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.

• Mandrel bent 16 gauge aluminized tubing
• Mild exterior exhaust tone
• Includes hangers and hardware for easy installation
• Dyno tuned for maximum performance
• Made in the USA
• Premium Flowmaster quality

Application:

• 2009-2012 CHEVROLET SILVERADO 1500 V8 4.8 4-Door Crew Cab Pickup 69.3in Bed Length
• 2009-2012 CHEVROLET SILVERADO 1500 V8 4.8 4-Door Extended Cab Pickup 69.3in Bed Length
• 2013-2013 CHEVROLET SILVERADO 1500 V8 4.8
• 2009-2013 GMC SIERRA 1500 V8 4.8
• 2013-2013 GMC SIERRA 1500 SL V8 4.8