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Flowmaster American Thunder Cat-Back Exhaust (15-21 6.2L HEMI w/o Active Exhaust)

Item CH1666
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Market Price $1,007.99 You Save 12% ($116.04)
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Ship to: Ashburn - 20149
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      Product Information

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


      • Aggressive Sound Levels
      • Improves Horsepower and Torque
      • Super 40 Muffler Series
      • Mandrel Bent Chambered Stainless Tubing
      • Non-Rolled, Double Wall Tip Edge Style
      • Split Rear Exit
      • Bolt-On Installation
      • Backed by a Limited Lifetime Warranty
      • Fits 2015-2021 Dodge Challenger Models With 6.2L Engines with Active Exhaust


      Moderate to Aggressive Sound. Equip your muscle car with this Flowmaster American Thunder Cat-Back Exhaust and hear your car growl. While stepping on the gas, this cat-back exhaust gives a loud, aggressive sound. On the other hand, it keeps a moderate exhaust tone while you’re cruising the road.

      Improves Horsepower and Torque. Featuring the Super 40 Muffler Series, this cat-back exhaust creates a more efficient path for your exhaust gases to escape, resulting to an improved horsepower and torque. It also helps boost your car’s throttle response, and improves your car’s fuel economy.

      Crafted from Stainless Steel. This Flowmaster American Thunder Cat-Back Exhaust is crafted from stainless steel. This allows the pipes to withstand your car’s extreme exhaust heat, as well as resist rust and corrosion caused by road and weather elements. As a result, this cat-back exhaust can serve you for several years to come.

      Bolt-On Installation. This cat-back exhaust features a bolt-on design.

      Backed by a Limited Lifetime Warranty. Flowmaster offers a limited lifetime warranty for their cat-back exhaust products. However, certain terms and conditions apply. For more warranty information, please visit the Flowmaster website.

      Application. This Flowmaster American Thunder Cat-Back Exhaust is manufactured to fit 2015-2021 Dodge Challenger models with 6.2L engines.

      Fitment: 2015 2016 2017 2018 2019 2020 2021 Details

      Flowmaster 817739

      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+)

        Reviews of Flowmaster Exhaust products have an average rating of 4.7 out of 5

          Questions & Answers

          10 More Questions

          Will It Fit My Challenger

          • SRT Demon - 18
          • SRT Hellcat - 15, 16, 17, 18, 19, 20, 21
          • SRT Hellcat Redeye - 19, 20, 21
          • SRT Hellcat Redeye Widebody - 19, 20, 21
          • SRT Hellcat Widebody - 18, 19, 20, 21
          • SRT Super Stock - 20, 21