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Flowmaster American Thunder Dual Exhaust System; Side/Rear Exit (10-21 5.7L Tundra)

Item TU2127
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Our Price

$1,043.95 (kit)

FREE Shipping Market Price $1,189.99 You Save 12% ($146.04)

Open Box from $626.37

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      Product Information

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

      Features & Specs

      • Deep Aggressive Performance Tone
      • Improves Exhaust Flow for an Increase in Power
      • Super 40 Series Performance Mufflers
      • Mandrel-bent 2.50-inch Stainless Steel Tubing
      • Dual Side or Dual Rear Exit
      • Polished 304 Stainless Steel 3.50-inch Exhaust Tips
      • Direct Bolt-On Upgrade
      • Fits 2010-2021 5.7L Toyota Tundra Models


      Flowmaster Super 40 Series Sound. Upgrading to a Flowmaster American Thunder Dual Exhaust System will unleash the beast hiding under the hood of your 5.7L Toyota Tundra. This American Thunder Cat-Back will convert your 2010-2021 Tundra's quiet, tame exhaust note into a deep aggressive one, with a mellow growl inside the cab. Additionally this Kit comes with two sets of tail pipes for either a dual out the back look or dual out behind the rear tires, which is beneficial for towing.

      Power And Performance. Flowmaster American Thunder Dual Exhaust not only improves the sound of your 5.7L Tundra, but it will also improve its performance. With the help of its free flowing muffler design and high-flow mandrel bent piping, this Cat-Back will significantly improve exhaust flow for an increase in rear wheel horsepower and torque.

      Stainless Steel Construction. Flowmaster manufactures their Cat-Back Exhaust Systems from 2.5-inch mandrel bent 409 stainless steel tubing for it's durability and corrosion resistance. This Cat-Back features a "Super 40 Series" performance muffler with 3.50-inch diameter 304 polished stainless steel tips for impressive styling and sound.

      Direct Bolt-On Installation. Flowmaster engineered their Cat-Back Exhaust to be a direct bolt-on upgrade replacement. This American Thunder Dual Exhaust System will easily bolt straight up to the factory piping without any cutting, modifications or special tools required for an easy straight forward installation.

      Application. This Flowmaster American Thunder Dual Exhaust System; Side/Rear Exit fits 2010-2021 5.7L Toyota Tundra models with a 145-inch Wheelbase only. Does not fit regular cab/short bed or double cab/long bed models.



      Flowmaster 817664

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • Inlet Pipe Assembly
      • Muffler
      • Right Tailpipe, Front
      • Left Tailpipe, Front
      • Right Tailpipe, Rear
      • Left Tailpipe, Rear
      • (2) Tips

      Customer Reviews (10)

        Brand Image

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

          Questions & Answers

          10 More Questions

          Will It Fit My Tundra

          • 5.7L V8 - 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21

          Designed for vehicles with the 145 in. Wheelbase only