For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. 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
- Moderate to aggressive exterior exhaust tone
- Includes hangers and hardware for easy installation
- Connects after factory catalytic converter
- Made in the USA
- Premium Flowmaster quality
Application:
- 2011-2015 CHEVROLET SILVERADO 2500 HD V8 6.0 4-Door Crew Cab Pickup 78.8in Bed Length 153.7in Wheelbase
- 2011-2015 CHEVROLET SILVERADO 2500 HD LT V8 6.0 4-Door Crew Cab Pickup 78.8in Bed Length 153.7in Wheelbase
- 2011-2015 CHEVROLET SILVERADO 2500 HD LTZ V8 6.0 4-Door Crew Cab Pickup 78.8in Bed Length 153.7in Wheelbase
- 2015-2015 CHEVROLET SILVERADO 2500 HD HIGH COUNTRY V8 6.0 4-Door Crew Cab Pickup 78.8in Bed Length 153.7in Wheelbase
- 2016-2017 CHEVROLET SILVERADO 2500 HD V8 6.0 4-Door Crew Cab Pickup 78.8in Bed Length
- 2016-2017 CHEVROLET SILVERADO 3500 HD V8 6.0 4-Door Crew Cab Pickup 78.8in Bed Length
- 2011-2014 GMC SIERRA 2500 HD V8 6.0 4-Door Crew Cab Pickup 78.8in Bed Length 153.7in Wheelbase
- 2011-2014 GMC SIERRA 2500 HD SLE V8 6.0 4-Door Crew Cab Pickup 78.8in Bed Length 153.7in Wheelbase
- 2011-2014 GMC SIERRA 2500 HD SLT V8 6.0 4-Door Crew Cab Pickup 78.8in Bed Length 153.7in Wheelbase
- 2015-2017 GMC SIERRA 2500 HD V8 6.0 4-Door Crew Cab Pickup 78.8in Bed Length
- 2015-2017 GMC SIERRA 3500 HD V8 6.0 4-Door Crew Cab Pickup 78.8in Bed Length
