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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.



  • 18 Products
    Ford Mustang Boss 302 5.0L V8

    389-817589
    American Thunder Cat-Back Exhaust System
  • 2013 Ford Mustang Boss 302 5.0L V8
  • 3" Tubing, 4" Polished SS Tips
  • Dual Rear Exit
  • 60 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817589
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817589
  • $879.99
    Order Today Ships 04/28/14

    389-817553
    American Thunder Cat-Back Exhaust System
  • 2012 Ford Mustang Boss 302 5.0L V8
  • 3" Tubing, 4" Polished SS Tips
  • Dual Rear Exit
  • 60 Series Delta Flow Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817553
    • FREE
    • SHIPPING
      & HANDLING!
    Dyno Chart for 817553 MPG Installation Instructions for 817553
  • $879.99
    Order Today Ships 04/28/14
    Ford Mustang GT 5.0L V8

    389-817588
    American Thunder Axle-Back Exhaust System
  • 2013-14 Ford Mustang GT 5.0L V8
  • 3" Tubing, 4" Polished SS Tips
  • Dual Rear Exit
  • Super 44 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817588
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817588
  • $434.99
    Ships

    389-817587
    American Thunder Cat-Back Exhaust System
  • 2013-14 Ford Mustang GT 5.0L V8
  • 3" Tubing, 4" Polished SS Tips
  • Dual Rear Exit
  • 60 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817587
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817587
  • $769.99
    Ships

    389-817500
    American Thunder Cat-Back Exhaust System
  • 2011-12 Ford Mustang GT 5.0L V8
  • 3" Tubing, 4" Polished SS Tips
  • Dual Rear Exit
  • 60 Series Delta Flow Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817500
    • FREE
    • SHIPPING
      & HANDLING!
    Dyno Chart for 817500 MPG Installation Instructions for 817500
  • $784.85
    Order Today Ships 04/28/14
    Ford Mustang GT 5.0L/5.4L V8

    389-817496
    American Thunder Axle-Back Exhaust System
  • 2011-12 Ford Mustang GT 5.0L/5.4L V8
  • 3" Tubing, 4" Polished SS Tips
  • Dual Rear Exit
  • 40 Series Classic Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817496
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817496
  • $434.99
    Ships
    Ford Mustang GT/GT500 4.6L/5.4L V8

    389-817494
    American Thunder Cat-Back Exhaust System
  • 2005-10 Ford Mustang GT/GT500 4.6L/5.4L V8
  • 3" Tubing, 4" Polished SS Tips
  • Dual Rear Exit
  • 60 Series Delta Flow Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817494
    • FREE
    • SHIPPING
      & HANDLING!
    Dyno Chart for 817494 MPG Installation Instructions for 817494
  • $774.95
    Order Today Ships 04/28/14
    Ford Mustang LX 5.0L

    389-17389
    American Thunder Header-Back Exhaust System
  • 1986-93 Ford Mustang LX 5.0L
  • 3" Tubing, 3" Polished SS Tips
  • Dual Rear Exit
  • Super 40 Series Muffler
  • Aluminized Steel
    More info on Flowmaster 17389
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 17389
  • $844.99
    Order Today Ships 04/28/14
    GM A-Body

    389-817202
    American Thunder Header-Back Exhaust System
  • 1964-67 GM A-Body V8
  • 3" Tubing, 3" Polished SS Tip
  • Dual Side Exit
  • Super 40 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817202
    $9.99
    MPG Installation Instructions for 817202
  • $698.99
    Ships
    GM Camaro SS 6.2L

    389-817495
    American Thunder Axle-Back Exhaust System
  • 2010-13 Chevy Camaro SS 6.2L
  • 3" Tubing, 4" Polished SS Tips
  • Dual Rear Exit
  • 40 Series Classic Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817495
    • FREE
    • SHIPPING
      & HANDLING!
    Dyno Chart for 817495 MPG Installation Instructions for 817495
  • $543.86
    Ships

    389-817609
    American Thunder Cat-Back Exhaust System
  • 2013 Chevy Camaro SS 6.2L V8
  • 3" Tubing, No Tips
  • Dual Rear Exit
  • Outlaw Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817609
    • FREE
    • SHIPPING
      & HANDLING!
    MPG
  • $951.99
    Ships

    389-817656
    American Thunder Cat-Back Exhaust System
  • 2014 Camaro SS Coupe 6.2L V8
  • 3" Tubing, 4" Polished SS Tips
  • Dual Rear Exit
  • Super 44 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817656
    • FREE
    • SHIPPING
      & HANDLING!
    MPG
  • $949.00
    Order Today Ships 05/06/14

    389-817700
    American Thunder Axle-Back Exhaust System
  • 2014 Chevy Camaro SS 6.2L
  • 3" Tubing, 4" Polished SS Tips
  • Dual Rear Exit
  • Super 44 Series Muffler
  • 409S Stainless Steel
    View this item
    • FREE
    • SHIPPING
      & HANDLING!
    MPG
  • $545.90
    Order Today Ships 05/05/14
    GM Camaro/Firebird 5.0L/5.7L V8

    389-817199
    American Thunder Cat-Back Exhaust System
  • 1998-2002 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 817199
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817199
  • $516.99
    Order Today Ships 04/28/14

    389-817233
    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 817233
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817233
  • $535.99
    Order Today Ships 04/28/14
    GM Corvette Stingray 6.2L V8

    389-817668
    American Thunder Axle-Back Exhaust System
  • 2014 Corvette Stingray 6.2L V8
  • 3" Tubing, 4" Polished SS Tips
  • Dual Out Rear Exit
  • 60 Series xDelta Flow Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817668
    • FREE
    • SHIPPING
      & HANDLING!
    MPG Installation Instructions for 817668
  • $949.00
    Ships
    Mopar Challenger SRT-8

    389-817499
    American Thunder Cat-Back Exhaust System
  • 2008-13 Dodge Challenger SRT-8
  • 3" Tubing, Polished SS Tips
  • Dual Rear Exit
  • Super 40 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817499
    • FREE
    • SHIPPING
      & HANDLING!
    Dyno Chart for 817499 MPG Installation Instructions for 817499
  • $943.89
    Ships
    Mopar Charger/Magnum SRT-8 6.1L

    389-817498
    American Thunder Cat-Back Exhaust System
  • 2005-10 Dodge Charger/Magnum SRT-8 6.1L
  • 2005-10 Chrysler 300 SRT-8 6.1L
  • 3" Tubing, 4" Polished SS Tips
  • Dual Rear Exit
  • Super 40 Series Muffler
  • 409S Stainless Steel
    More info on Flowmaster 817498
    • FREE
    • SHIPPING
      & HANDLING!
    Dyno Chart for 817498 MPG Installation Instructions for 817498
  • $949.56
    Order Today Ships 04/28/14

    18 Products