2017-19 Challenger R/T, TA 5.7L Hemi - FlowFX Cat-back Exhaust System 717904YouTube Button

Flowmaster FlowFX Cat-back Exhaust System

2017-2019 Dodge Challenger R/T and T/A, 5.7L, Stainless Steel FlowFX Cat-back Dual Exhaust System

PART# 717904

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Fits 2017-2019 Dodge Challenger R/T, TA models with 5.7L V8 engine and Active Exhaust Valves


Introducing Flowmaster's new FlowFX Cat-back exhaust system for the 2017-19 Dodge Challenger R/T and TA with the 5.7L Hemi V8 engine and Factory Active Exhaust Valves. This system is perfect for the person looking for a moderately aggressive exterior and interior sound level with all of the performance benefits that you would expect from Flowmaster. Features include mandrel bent 3.00-inch stainless steel tubing into the Scavenger X-pipe cross-over for maximum performance and tone, flowing into a pair our new FlowFX "straight-through" mufflers for a deep and powerful sound. The dual 3.00-inch mandrel bent stainless tailpipes retain the Factory Active Exhaust Valves and the system is finished off with aggressive looking quad 3.50-inch black ceramic coated 304s stainless steel tips embossed with the Flowmaster name, putting everyone on notice that you would rather lead than follow. The large quad tips exit within the rear bumper valance and gives your car the look that it should have come with from the factory. This system is designed to use the factory hanger locations, includes all necessary parts, hardware and detailed instructions for a relatively easy at home installation


  • Includes factory Style Active Exhaust Valves
  • Large Aggressive Looking Quad Tips
  • Dual 3.00-Inch Mandrel Bent Tubing
  • Scavenger X-pipe for Power and Tone
  • All Stainless Steel Construction
  • Deep Powerful Sound


Emission Code1
Exhaust SeriesFlowFX
Exit PositionDual Out Rear
Mount TypeUses Factory Hangers
Product TypeExhaust System
Single DualDual
Sound LevelModerate/Aggressive
System TypeCat-back
Tip Diameter3.5
Tip FinishBlack Ceramic
Tip LogoEmbossed
Tip Material304 Stainless
Tip ShapeRound
Tubing Diameter (in)3
Tubing Material409S Stainless Steel
Part Number717904


This part is legal for sale and use on Emissions Controlled Vehicles, in all 50 states, when used in accordance with the manufacturers application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle

Tech Resources

Fits 2017-2019 Dodge Challenger R/T, TA models with 5.7L V8 engine and Active Exhaust Valves


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