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Flowmaster American Thunder Axle-back Exhaust System

2017-2020 Dodge Charger R/T, Daytona with 5.7L Hemi engine. Resonator Delete Kit.

PART# 817780

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Moderate sound


The Flowmaster® American Thunder® axle-back resonator delete kit is designed for the 2017-2020 Dodge Charger R/T and Daytona's with the 5.7L Hemi engine. The 3.00-inch stainless steel tubing is mandrel-bent and will give your car a moderate increase in exterior sound with a pleasant interior growl at cruising speeds. Simple installation requires cutting the factory tailpipes just behind the factory exhaust valves, slide the slip-fit tailpipes over the factory pipes, then clamp into place. The tailpipes re-use the factory hangers and exit back through the rear valance for a factory appearance. This axle-back system designed for an easy fit and includes all necessary parts and hardware for an easy installation. Notes: This kit contains resonator delete tailpipes only and retains the factory mufflers.


  • Large 3.00-inch Mandrel-bent Tubing
  • Uses the Factory Hanger Locations
  • Eliminates the Factory Resonators
  • Stainless Steel Construction
  • Lifetime Limited Warranty
  • Moderate Exhaust Tone
  • Easy Installation


Catalytic Converter IncludedNo
Emission Code5
Exhaust SeriesAmerican Thunder
Exit PositionDual Out Rear
Heat ShieldNo
Material409 Stainless Steel
Mount TypeUses Factory Hangers
Muffler Part NumberNot Included
Product TypeExhaust System
Single DualDual
Sound LevelModerate
System TypeAxle-back
Tubing Diameter (in)3
Tubing Material409S Stainless Steel
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817780



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.

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