Flowmaster® (17-21) Charger R/T American Thunder™ 409SS Cat-Back System

  • Sale
  • Regular price $849.95

Compatible: (5.7L)

2017 - 2021 Dodge Charger R/T


This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.



Flowmaster's American Thunder cat-back exhaust system for the 2017-19 Dodge Charger R/T with the 5.7L Hemi engine is perfect for the person looking for an aggressive exterior sound level with all of the performance benefits that you would expect from Flowmaster. This bolt-on 409S stainless steel system features a dual 3.00-inch mandrel-bent Scavenger Series X-Pipe for maximum performance flowing into a pair of specially designed Super 40 Series mufflers with 3.50-inch internals for maximum power and exterior sound quality, but with a moderate but pleasant interior tone at cruising speeds. Other features include dual 3.00-inch mandrel-bent tailpipes which are designed to re-use the factory exhaust valves and exit in the factory exhaust tips located in the rear valance. The tailpipes are a two-piece design and have no resonators. This system includes all necessary parts, hardware, and instructions for an easy installation.
  • Stainless Steel Construction
  • Scavenger X-Pipe Cross-over Pipe
  • Designed to Re-use the Factory Exhaust Valves
  • Specially Designed Large Muffler Internals for Powerful Deep Sound


Brand Flowmaster
California Proposition 65 Chemical Name Chromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 Required Yes
Catalytic Converter Included No
Emission Code 5
Exhaust Series American Thunder
Exit Position DOR
Heat Shield No
Mount Type Uses Factory Hangers
Muffler Body Length (in) 13.5
Muffler Color Black
Muffler Finish Painted
Muffler Inlet Offset
Muffler Inlet Diameter (in) 3
Muffler Material 409S Stainless Steel
Muffler Outlet Centered
Muffler Outlet Diameter (in) 3
Muffler Overall Length (in) 19.5
Muffler Part Number Kit Only
Muffler Quantity 2
Muffler Series Super 40 Series
Muffler Shape Oval
Muffler Type Reflection
Product Type Exhaust Systems / Kits
Single Dual Dual
Sound Level Moderate/Aggressive
System Type Cat-back
Tip Style Not Included
Tubing Diameter (in) 3
Tubing Material 409S Stainless Steel
Part Number 817778



Install Guide: