Flowmaster American Thunder Dual Exhaust System - 2009-14 Dodge Challenger 5.7L HYPLXSM11PA Mild Performance Exterior Sound

Mild Performance Exterior Sound

0 system with no limit on horsepower because the system is based on each customer’s supplied injectors

It is car-wash safe

Dyno tests showed gains of 5 hp and 9 ft-lbs

Flowmaster American Thunder Dual Exhaust System - 2009-14 Dodge Challenger 5.7L HYPLXSM11PA Mild Performance Exterior SoundFor the person who is looking for a complete Cat 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,