Flowmaster is an iconic exhaust brand famous for signature exhaust tone and performance mufflers, as well as complete axle-back and cat-back systems. Built for muscle cars, trucks, and performance builds, Flowmaster systems are designed to improve flow and deliver the sound character enthusiasts chase.
Flowmaster American Thunder Exhaust System: Dodge Challenger 6.4L 392 & 6.2L SRT Hellcat / Demon 2015 - 2023
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PART # 817739
817739 Flowmaster 15-23 Dodge Challenger 6.4L 392 & 6.2L SRT Hellcat / Demon American Thunder Exhaust System. The Flowmaster American Thunder® cat-back exhaust system delivers aggressive exterior sound with moderate interior tone while boosting performance for the vehicle. Mandrel-bent dual 3.00-inch tubing flows through the exclusive Scavenger Series® X-pipe into Super 40® Series mufflers. Stainless steel tailpipes finish with quad 3.50-inch polished tips. Uses factory hangers for easy bolt-on installation.
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MADE IN THE USA
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Flowmaster is an iconic exhaust brand famous for signature exhaust tone and performance mufflers, as well as complete axle-back and cat-back systems. Built for muscle cars, trucks, and performance builds, Flowmaster systems are designed to improve flow and deliver the sound character enthusiasts chase.
-
Flowmaster American Thunder Exhaust System
15-23 Dodge Challenger 6.4L 392 & 6.2L SRT Hellcat / Demon
817739
The Flowmaster American Thunder® Exhaust System is engineered for the vehicle, providing aggressive exterior sound while maintaining moderate interior tone and all the performance benefits expected from Flowmaster®. Mandrel-bent dual 3.00-inch stainless steel tubing flows through the exclusive Scavenger Series® X-pipe for maximum power and deep, unique tone.
Exhaust then passes through Super 40® Series mufflers, and the tailpipes feature "dummy valve stands" to allow factory actuators to function without triggering error codes, giving wide-open sound and performance at all times. The quad 3.50-inch polished 304 stainless steel tips exit cleanly within the rear valence for a muscular look.
Constructed entirely from 409S stainless steel, this bolt-on system uses all factory hanger locations for a simple installation. Includes all necessary hardware and instructions, backed by Flowmaster’s Lifetime Limited Warranty.- Exclusive Scavenger Series® X-Pipe for Maximum Power
- Mandrel-bent Dual 3.00-inch Stainless Steel Tubing
- Super 40® Series Mufflers
- “Dummy Valve Stands” for Factory Actuators
- Quad 3.50-inch Polished 304 Stainless Steel Tips
- Deep Aggressive Exterior / Moderate Interior Tone
- Uses Factory Hanger Locations
- Stainless Steel Construction
- Dyno-Tuned for Maximum Performance
- Easy Bolt-On Installation
- Lifetime Limited Warranty
-
Standard shipping
Free Standard Shipping on orders over $250. Select “Free Shipping” at checkout.
Free Easy Returns
Need to return an item? We make it easy. Email us and we'll send you a free return label with instructions on how to return.
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YEARMAKEMODELSUBMODEL2015 - 2023DodgeChallenger6.2L Hellcat2015 - 2023DodgeChallenger6.4L 392
-
Flowmaster American Thunder Exhaust System
15-23 Dodge Challenger 6.4L 392 & 6.2L SRT Hellcat / Demon
817739
The Flowmaster American Thunder® Exhaust System is engineered for the vehicle, providing aggressive exterior sound while maintaining moderate interior tone and all the performance benefits expected from Flowmaster®. Mandrel-bent dual 3.00-inch stainless steel tubing flows through the exclusive Scavenger Series® X-pipe for maximum power and deep, unique tone.
Exhaust then passes through Super 40® Series mufflers, and the tailpipes feature "dummy valve stands" to allow factory actuators to function without triggering error codes, giving wide-open sound and performance at all times. The quad 3.50-inch polished 304 stainless steel tips exit cleanly within the rear valence for a muscular look.
Constructed entirely from 409S stainless steel, this bolt-on system uses all factory hanger locations for a simple installation. Includes all necessary hardware and instructions, backed by Flowmaster’s Lifetime Limited Warranty.
- Exclusive Scavenger Series® X-Pipe for Maximum Power
- Mandrel-bent Dual 3.00-inch Stainless Steel Tubing
- Super 40® Series Mufflers
- “Dummy Valve Stands” for Factory Actuators
- Quad 3.50-inch Polished 304 Stainless Steel Tips
- Deep Aggressive Exterior / Moderate Interior Tone
- Uses Factory Hanger Locations
- Stainless Steel Construction
- Dyno-Tuned for Maximum Performance
- Easy Bolt-On Installation
- Lifetime Limited Warranty
Standard shipping
Free Standard Shipping on orders over $250. Select “Free Shipping” at checkout.
Free Easy Returns
Need to return an item? We make it easy. Email us and we'll send you a free return label with instructions on how to return.