Flowmaster 817508 American Thunder Cat Back Exhaust 2011 300 Charger

Flowmaster 817508 American Thunder Cat Back Exhaust 2011 300 Charger

Item Code: CR5003

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Product Description


This Flowmaster American Thunder exhaust system is for 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, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.

Here's a video from Flowmaster comparing this American Thunder with the Force II exhaust system:


  • Exit Position: Dual Rear Exit
  • Inlet diameter: 2.50 inches
  • Muffler Series: Super 40 Series
  • System Type: Cat-Back
  • Tip Quantity: 2
  • Exhaust Series: American Thunder
  • Muffler Quantity: 2
  • Outlet Diameter: 2.50 inches
  • Sound Level: Aggressive Sound
  • Tip Diameter: 2.50 inches
  • Tubing Diameter: 2.50 inches


  • 2011 2012 2013 Dodge Charger 300 5.7 V8
  • 2011 2012 2013 Chrysler 300 5.7L V8

Installation Difficulty

Installation Difficulty 3 View Installation Instructions


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