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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.


  • 19 Products
    Ford Mustang V8

    389-817612
    American Thunder Axle-Back Exhaust System
  • 2013-14 Mustang GT500 5.8L V8
  • 3.5" Polished SS Tips w/Machined Aluminum Edges
  • Dual Rear Exit
  • 409S Stainless Steel
  • $767.99
    Order Today Ships 11/12/14
    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
  • $879.99
    Order Today Ships 11/04/14

    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
  • $879.99
    Order Today Ships 11/04/14
    Ford Mustang GT 5.0L V8

    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
  • $784.85
    Order Today Ships 11/04/14
    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
  • $774.95
    Order Today Ships 11/04/14
    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
  • $844.99
    Order Today Ships 11/04/14
    GM A-Body

    389-817200K
    American Thunder Header-Back Exhaust System
  • 1968-72 GM A-Body
    Kit Includes:
  • Flowmaster Header Back Exhaust System
  • JEGS Ceramic Coated Long Tube Headers
  • Easy Kits
    $960.04
    Ships
    GM Camaro SS 6.2L

    389-817487
    American Thunder Cat-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
  • $929.99
    Order Today Ships 11/04/14

    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
  • Rear Valance will need to be trimmed for tips
  • 409S Stainless Steel
  • $929.90
    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
  • $949.00
    Order Today Ships 11/12/14
    GM Camaro/Firebird 3.6L

    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
  • $926.00
    Order Today Ships 11/04/14
    GM Camaro/Firebird V8

    389-817139K
    American Thunder Header-Back Exhaust System
  • 1969 GM Camaro/Firebird V8
    Kit Includes:
  • Flowmaster Header Back Exhaust System
  • JEGS Ceramic Coated Long Tube Headers
  • MPG Easy Kits
    $833.80
    Ships

    389-817129K
    American Thunder Header-Back Exhaust System
  • 1967-68 GM Camaro/Firebird V8
    Kit Includes:
  • Flowmaster Header Back Exhaust System
  • JEGS Ceramic Coated Long Tube Headers
  • MPG Easy Kits
    $768.66
    Ships
    GM Camaro/Firebird 6.2L V8

    389-817481
    American Thunder Cat-Back Exhaust System
  • 2010-13 Chevy Camaro 6.2L V8
  • 3" Tubing, 4" Polished SS Tips
  • Dual Rear Exit
  • 40 Series Classic Muffler
  • 409S Stainless Steel
  • $936.34
    Ships
    GM Chevy Nova V8

    389-817158K
    American Thunder Header-Back Exhaust System
  • 1968-74 Chevy Nova V8
    Kit Includes:
  • Flowmaster Header Back Exhaust System
  • JEGS Ceramic Coated Long Tube Headers
  • Easy Kits
    $752.98
    Ships
    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
  • $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
  • $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
  • $949.56
    Order Today Ships 11/04/14
    Mopar VIper

    389-817683
    American Thunder Cat-Back Exhaust System
  • 1996-02 Dodge Viper GTS 8.0L V10
  • 3" Tubing, 4" Polished SS Tips
  • Dual Rear Exit
  • 50 Series HD Muffler
  • 409S Stainless Steel
  • $999.00
    Order Today Ships 11/12/14

    19 Products