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Flowmaster American Thunder Exhaust Systems - Cars


Flowmaster
Flowmaster American Thunder Exhaust Systems - Cars

Product images may differ from actual product appearance.

Best suited to enthusiasts who want their cars to be heard while improving throttle response, power, and mileage. American Thunder Exhaust Systems are mandrel bent for optimum performance with specially selected mufflers. Made in the USA.

Features
  • Premium Flowmaster quality
  • Axle-back, cat-back, or header-back
  • 16-gauge stainless or aluminized steel tubing
  • Moderate to aggressive exterior exhaust tone
  • Necessary hangers & hardware included for simple installation

    JEGS Easy Kits are designed by JEGS professionals to help you get all the performance parts you need.



  • 30 Products
    Ford Mustang V6

    389-817488
    American Thunder Axle-Back Exhaust System
  • 2010 Ford Mustang 4.0L V6
  • 2.5" Tubing, 4" Polished SS Tips
  • Single Rear Exit
  • 60 Series Delta Flow Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817488
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Dyno Chart for 817488 Installation Instructions for 817488
  • $314.54
    Order Today Ships 04/25/14
    Ford Mustang V8

    389-817281
    American Thunder Header-Back Exhaust System
  • 1967-70 Ford Mustang V8
  • 2.5" Tubing, 3" Polished SS Tips
  • Dual Rear Exit
  • Super 44 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817281
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817281
  • $542.81
    Order Today Ships 04/25/14

    389-817282
    American Thunder Header-Back Exhaust System
  • 1967-70 Ford Mustang V8
  • 2.5" Tubing, 2.5" Turndown Tips
  • Dual Rear Exit
  • Super 44 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817282
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817282
  • $478.77
    Order Today Ships 04/25/14

    389-817273
    American Thunder Header-Back Exhaust System
  • 1964-66 Ford Mustang V8
  • 2.5" Tubing, 2.5" Polished SS Tips
  • Dual Rear Exit
  • Super 44 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817273
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817273
  • $649.99
    Ships
    Ford Mustang Cobra 4.6L V8

    389-817248
    American Thunder Cat-Back Exhaust System
  • 1999-2004 Ford Mustang Cobra 4.6L V8
  • 2.5" Tubing, 3" Polished SS Tips
  • Dual Rear Exit
  • Super 40 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817248
    • FREE
    • SHIPPING
      & HANDLING!
    Dyno Chart for 817248 MPG Installation Instructions for 817248
  • $532.32
    Order Today Ships 04/25/14
    Ford Mustang GT/Cobra 4.6L/5.0L

    389-817215
    American Thunder Cat-Back Exhaust System
  • 1998 Ford Mustang GT/Cobra 4.6L V8
  • 2.5" Tubing, 2.5" Polished SS Tips
  • Dual Rear Exit
  • Super 44 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817215
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817215
  • $564.99
    Order Today Ships 04/25/14

    389-817212
    American Thunder Cat-Back Exhaust System
  • 1994-97 Ford Mustang GT/Cobra 4.6L/5.0L
  • 2.5" Tubing, 2.5" Polished SS Tips
  • Dual Rear Exit
  • Super 44 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817212
    • FREE
    • SHIPPING
      & HANDLING!
    Dyno Chart for 817212 MPG Installation Instructions for 817212
  • $561.99
    Order Today Ships 04/25/14
    Ford Mustang GT/LX/Cobra 4.6L/5.0L V8

    389-817574
    American Thunder Cat-Back Exhaust System
  • 1986-98 Ford Mustang GT/LX/Cobra 4.6L/5.0L V8
  • 2.5" Tubing, No Tips
  • Dual Dump Exit
  • Super 44 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817574
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817574
  • $325.00
    Order Today Ships 04/25/14
    GM A-Body/G-Body

    389-817456
    American Thunder Cat-Back Exhaust System
  • 1978-88 GM A-Body/G-Body V8
  • 2.5" Tubing, 3" Polished SS Tips
  • Dual Rear Exit
  • Super 44 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817456
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817456
  • $634.99
    Order Today Ships 04/25/14

    389-817457
    American Thunder Header-Back Exhaust System
  • 1978-88 GM A-Body/G-Body V8
  • 2.5" Tubing, 3" Polished SS Tips
  • Dual Rear Exit
  • Super 44 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817457
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817457
  • $665.99
    Ships
    GM Bel Air

    389-817174
    American Thunder Header-Back Exhaust System
  • 1955-57 Chevy Car V8 (Except Convertible/Wagon)
  • 2.5" Tubing, 3" Polished SS Tips
  • Dual Rear Exit
  • Super 40 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817174
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817174
  • $650.00
    Ships
    GM Camaro/Firebird 3.4L V6

    389-817356
    American Thunder Cat-Back Exhaust System
  • 1993-95 GM Camaro/Firebird 3.4L V6
  • 2.5" Tubing, 3" Polished SS Tips
  • Dual Rear Exit
  • 80 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817356
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817356
  • $453.54
    Order Today Ships 04/25/14
    GM Camaro/Firebird 3.6L

    389-817483
    American Thunder Axle-Back Exhaust System
  • 2010-14 Chevy Camaro 3.6L V6
  • 2.5" Tubing, 4" Polished SS Tips
  • Dual Rear Exit
  • 40 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817483
    • FREE
    • SHIPPING
      & HANDLING!
    Dyno Chart for 817483 MPG Installation Instructions for 817483
  • $584.28
    Ships

    389-817572
    American Thunder Cat-Back Exhaust System
  • 2010-13 Chevy Camaro 3.6L
  • 3" Tubing, 4" Polished SS Tip
  • Dual Rear Exit
  • 40 Series Delta Flow Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817572
    • FREE
    • SHIPPING
      & HANDLING!
    Dyno Chart for 817572 MPG Installation Instructions for 817572
  • $926.00
    Order Today Ships 04/25/14
    GM Camaro/Firebird V8

    389-817149
    American Thunder Header-Back Exhaust System
  • 1970-74 GM Camaro/Firebird V8
  • 2.5" Tubing, 2.5" Polished SS Tips
  • Dual Rear Exit
  • 50 Series (Slim Line) Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817149
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817149
  • $699.99
    Ships

    389-817104
    American Thunder Header-Back Exhaust System
  • 1967-74 GM Camaro/Firebird V8
  • 1968-74 Chevy Nova V8
  • 2.5" Tubing, No Tips
  • Dual Rear Exit
  • 80 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817104
    $9.99
    MPG Installation Instructions for 817104
  • $595.95
    Ships
    GM Camaro/Firebird 5.0L/5.7L V8

    389-817234
    American Thunder Cat-Back Exhaust System
  • 1986-91 GM Camaro/Firebird 5.0L/5.7L V8
  • 3" Tubing, 3" Polished SS Tips
  • Dual Rear Exit
  • 80 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817234
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817234
  • $469.69
    Order Today Ships 05/05/14
    GM Chevy II/Nova

    389-817673
    American Thunder Crossmember-Back Exhaust System
  • 1962-67 Chevy II/Nova
  • 2.5" Tubing, 3" Polished SS Tips
  • Dual Out Side Exit
  • Super 44 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817673
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817673
  • $579.00
    Ships
    GM Chevy Nova V8

    389-817158
    American Thunder Header-Back Exhaust System
  • 1968-74 Chevy Nova V8
  • 2.5" Tubing, No Tips
  • Dual Rear Exit
  • Super 44 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817158
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817158
  • $499.99
    Order Today Ships 04/28/14
    GM Cobalt 2.0L/2.4L

    389-817579
    American Thunder Cat-Back Exhaust System
  • 2005-08 Cobalt 2.0L/2.4L
  • 2.5" Tubing, 4" Polished SS Tips
  • Single Rear Exit
  • 60 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817579
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817579
  • $662.99
    Order Today Ships 04/25/14
    GM Corvette 5.7L V8

    389-817662
    American Thunder Cat-Back Exhaust System
  • 1975-79 Corvette 5.7L V8
  • 2.5" Tubing, 3" Polished SS Tips
  • Dual Rear Exit
  • 50 Series Delta Flow Muffler
  • 409S Stainless Steel
    View this item
    • FREE
    • SHIPPING
      & HANDLING!
    MPG
  • $539.00
    Order Today Ships 05/05/14
    GM F-Body

    389-817571
    American Thunder Header-Back Exhaust System
  • 1975-81 GM F-Body V8 (Off-Road Use Only)
  • 2.5" Tubing, 4" No Tips
  • Dual Side Exit
  • 50 Series (Slim Line) Mufflers
  • 409S Stainless Steel
    More info on Flowmaster 817571
    $9.99
    MPG Installation Instructions for 817571
  • $699.99
    Ships
    GM Impala/Caprice

    389-17655
    American Thunder Crossmember-Back Exhaust System
  • 1965-68 Impala/Caprice
  • 2.5" Tubing, 4.25" x 2.25" Polished SS Tips
  • Dual Out Rear Exit
  • Super 40 Series Muffler
  • Aluminized Steel
    More info on Flowmaster 17655
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 17655
  • $599.95
    Order Today Ships 05/05/14
    Mopar A-Body

    389-817585
    American Thunder Header-Back Exhaust System
  • 1967-74 Mopar A Body V8
  • 2.5" Tubing, No Tips
  • Dual Rear Exit
  • Super 40 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817585
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817585
  • $696.99
    Order Today Ships 04/25/14

    389-817584
    American Thunder Header-Back Exhaust System
  • 1963-66 Mopar A-Body V8
  • 2.5" Tubing, No Tips
  • Dual Rear Exit
  • Super 40 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817584
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817584
  • $696.99
    Order Today Ships 04/25/14
    Mopar B-Body

    389-817391
    American Thunder Header-Back Exhaust System
  • 1971-72 Mopar B-Body V8
  • 2.5" Tubing, No Tips
  • Dual Rear Exit
  • Super 40 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817391
    $9.99
    MPG Installation Instructions for 817391
  • $685.99
    Order Today Ships 04/25/14

    389-817390
    American Thunder Header-Back Exhaust System
  • 1968-70 Mopar B-Body V8
  • 2.5" Tubing, No Tips
  • Dual Rear Exit
  • Super 40 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817390
    $9.99
    MPG Installation Instructions for 817390
  • $679.99
    Ships
    Mopar Challenger/Barracuda V8

    389-817355
    American Thunder Header-Back Exhaust System
  • 1970-74 Dodge Challenger/Plymouth Barracuda V8
  • Dual Rear Exit
  • 2.5" Tubing, No Tips
  • Super 40 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817355
    $9.99
    MPG Installation Instructions for 817355
  • $696.99
    Order Today Ships 04/25/14
    Mopar Charger R/T 5.7L V8

    389-817508
    American Thunder Cat-Back Exhaust System
  • 2011-13 Dodge Charger R/T 5.7L V8
  • 2011-13 Chrysler 300 5.7L V8
  • 2.5" Tubing, 2.5" Polished SS Tips
  • Dual Rear Exit
  • Super 40 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817508
    • FREE
    • SHIPPING
      & HANDLING!
    Dyno Chart for 817508 MPG Installation Instructions for 817508
  • $645.99
    Ships
    Scion FR-S/Subaru BRZ 2.0L

    389-817596
    American Thunder Cat-Back Exhaust System
  • 2013 Scion FR-S and Subaru BRZ 2.0L
  • 2.5" Tubing, 4" Polished SS Tips
  • Dual Rear Exit
  • 80 Series Crossflow Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817596
    • FREE
    • SHIPPING
      & HANDLING!
    Dyno Chart for 817596 MPG Installation Instructions for 817596
  • $498.99
    Order Today Ships 04/25/14

    30 Products