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Flowmaster American Thunder Cat-Back Exhaust (15-21 3.6L)

Item CH1663
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Market Price $1,047.59 You Save 13% ($136.64)
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$910.95 (kit)

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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Moderate Exhaust Sound Level
      • Guaranteed Power Boosts
      • Super 44 Muffler Series
      • Mandrel Bent 2.50-Inch Stainless Tubing
      • Dual Rear Exit
      • Bolt-On Installation
      • Includes a Limited Lifetime Warranty
      • Fits 2015-2021 Dodge Challenger Models With 3.6L Engines


      Moderate Exhaust Sound. Featuring a free-flowing exhaust, this Flowmaster American Thunder Cat-Back Exhaust produces a moderate exhaust sound. While this cat-back exhaust doesn’t create a more aggressive tone, this is perfect for any car owner who wants their car roaring in a sensible level.

      Power Boosts. Installing this cat-back exhaust guarantees significant power boosts. Featuring the Super 44 Muffler Series, this cat-back exhaust adds more horsepower and torque, improves your car’s acceleration, and saves you from frequent trips to the gas station.

      Constructed from Stainless Steel. Built for competitive on-road use, this Flowmaster American Thunder Cat-Back Exhaust is constructed from high quality stainless steel. Even when exposed to extreme street-driving performances, this exhaust won’t easily break.

      Bolt-On Installation. This kit’s exhaust components can be easily installed with their bolt-on design. If you don’t have any mechanical expertise, Flowmaster suggests that you seek the help of a professional mechanic.

      Includes a Limited Lifetime Warranty. Flowmaster offers a limited lifetime warranty for their cat-back exhaust products. To claim your warranty, you may ask customer service for assistance.

      Application. This Flowmaster American Thunder Cat-Back Exhaust is engineered to fit 2015-2021 Dodge Challenger models with 3.6L engines.

      Fitment: 2015 2016 2017 2018 2019 2020 2021 Details

      Flowmaster 817737

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (2) Mufflers
      • (1) Scavenger Assembly
      • (1) Left Tailpipe Assembly
      • (1) Right Tailpipe Assembly
      • Mounting Hardware

      Customer Reviews (100+)

        Questions & Answers

        10 More Questions

        Will It Fit My Challenger

        • GT - 17, 18, 19, 20, 21
        • SXT - 15, 16, 17, 18, 19, 20, 21
        • SXT Plus - 15, 16, 17, 18