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Exhaust› Exhaust Pipes, Systems and Components
Flowmaster
American Thunder Cat-Back Exhaust System 2009-2014 Dodge Challenger Rt With 5.7L Hemi Engine Aggressive Sound Flowmaster
SKU: F00L 817479
Moderate — 2–4 hours
Overview
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Part #: 817479
For the person who is looking for a complete cat-back dual exhaust system with a moderately aggressive exterior tone and a moderate interior tone. With easy fit in mind, the Flowmaster American Thunder exhaust system features dual 2.50-inch mandrel-bent tubing flowing into our exclusive Scavenger Series X-pipe design for maximum scavenging performance and a deep unique tone.The stainless tubing then flows into a pair of specially selected Super 40 Series performance mufflers, which offer more internal volume than other brands mufflers and easily handles the flow demands of the Hemi engine. The system uses the factory hanger locations and the mandrel-bent tailpipes exit into the factory rectangular exhaust tips. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation you can do at home. Covered by our Lifetime Limited Warranty.Exclusive Scavenger X-pipe Design for Maximum PerformanceIncludes Hangers and Hardware for an Easy InstallationMandrel-bent 16 Gauge Stainless Steel TubingDyno Tuned for Maximum PerformanceSuper 40 Series Performance MufflersAggressive Exterior Exhaust ToneLifetime Limited Warranty
Features:
- Exclusive Scavenger X-pipe Design for Maximum Performance
- Mandrel Bent Tubing
- Includes Hangers and Hardware for an Easy Installation
- Includes Hangers And Hardware For Easy Installation
- Mandrel-bent 16 Gauge Stainless Steel Tubing
- Dyno Tuned for Maximum Performance
- Dyno Tuned for Maximum Performance
- Premium Flowmaster Quality
- Super 40 Series Performance Mufflers
- 3 Year Limited Warranty
- Aggressive Exterior Exhaust Tone
- Made in the USA
- Lifetime Limited Warranty
American Thunder Cat Back Exhaust System | Dual | Dual Rear Exit | Incl. 2.5 in. Tubing/Super 40 Series (TM) Mufflers/Scavenger X-Pipe | Uses Factory Tips
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- Noticeable power loss under acceleration
- Rust holes in exhaust pipes causing loud noise
- Exhaust system rattling against underbody
- Poor fuel economy due to exhaust restriction
- Stock exhaust tone too mild for preference
Relevant Conversations
- Flowmaster American Thunder cat-back exhaust review
- Best cat-back exhaust for truck/best sound
- How to install cat-back exhaust system
- Flowmaster vs Magnaflow cat-back comparison
- Exhaust system replacement for better performance
- P0420 code after cat-back install
- Cat-back exhaust for improved horsepower
- American Thunder exhaust sound clip
- Flowmaster 817479 installation tips
- Cat-back exhaust with X-pipe benefits
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Flowmaster |
| Part Number | F00L 817479 |
About MOTORMIA
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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