The Classic Sound Of Flowmaster
Flowmaster's American Thunder Exhaust Systems for passenger cars are ideal for the one looking for an exhaust system with a moderate to aggressive tone, inside and out. These systems feature mufflers that are tuned to deliver more power, torque, throttle response and mileage. With easy fit in mind, each system has mandrel bent tubing for maximum performance and flow and includes all necessary parts and hardware for installation.
Features:
- Aggressive Sound Exhaust Tone
- Mandrel Bent 16 Gauge Tubing
- Axle-Back, Cat-Back, or Header-Back Systems
- Includes Hangers and Hardware for Easy Installation
- Dyno Tuned for Maximum Performance
JEGS Easy Kits are designed by JEGS professionals to help you get all the performance parts you need.
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Ford Fairlane
$607.95
Ships directly from the manufacturer on 04/23/19
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American Thunder Header-Back Exhaust System 1966-1967 Ford Fairlane 2.5" Tubing 3" Polished SS Tips Dual Rear Exit Super 50 Series Muffler Aluminized Steel
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$607.95
Ships directly from the manufacturer on 04/23/19
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Ford Fiesta ST
Flowmaster 817784
Flowmaster American Thunder Cat-Back Exhaust System 2014-2017 Ford Fiesta ST 1.6L Turbo
$579.95
Ships directly from the manufacturer on 04/23/19
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American Thunder Cat-Back Exhaust System 2014-2017 Ford Fiesta ST 1.6L Turbo 2.5" Tubing 3" Round Polished Stainless Steel Tips Single Rear Exit Outlaw Series Muffler & Resonator 409S Stainless Steel
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$579.95
Ships directly from the manufacturer on 04/23/19
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Ford Focus ST
Flowmaster 817637
Flowmaster American Thunder Cat-Back Exhaust System 2013-2018 Ford Focus ST Hatchback 2.0L Turbo
$664.95
Ships directly from the manufacturer on 04/23/19
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American Thunder Cat-Back Exhaust System2013-2018 Ford Focus ST Hatchback 2.0L Turbo 2.25" Tubing 3.25" x 3.75" Oval Polished Stainless Steel Tips Dual Rear Exit Specially Tuned Muffler & Resonator 409S Stainless Steel
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$664.95
Ships directly from the manufacturer on 04/23/19
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Ford Mustang V6
Flowmaster 17421
Flowmaster American Thunder Axle-Back Exhaust System 2005-2009 Ford Mustang 4.0L V6
$265.95
(1)
Ships directly from the manufacturer on 04/23/19
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American Thunder Axle-Back Exhaust System 2005-2009 Ford Mustang 4.0L V6 2.5" Tubing 3.5" Polished SS Tips Single Rear Exit 60 Series Delta Flow Muffler Aluminized Steel
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$265.95
(1)
Ships directly from the manufacturer on 04/23/19
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$360.99
Ships directly from the manufacturer on 04/23/19
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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
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$360.99
Ships directly from the manufacturer on 04/23/19
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Flowmaster 817748
Flowmaster American Thunder Axle-Back Exhaust System 2015-2018 Mustang 2.3L EcoBoost or 3.7L V6
$643.95
Ships directly from the manufacturer on 04/23/19
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American Thunder Axle-Back Exhaust System 2015-2018 Mustang 2.3L EcoBoost or 3.7L V6 3" Tubing 4" Polished Stainless Steel Double Wall Tips Dual Out Rear Exit Super 10 Series Mufflers 409S Stainless Steel
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$643.95
Ships directly from the manufacturer on 04/23/19
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Flowmaster 817750
Flowmaster American Thunder Cat-Back Exhaust System 2015-2018 Mustang 2.3L EcoBoost
$799.95
Ships directly from the manufacturer on 04/23/19
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American Thunder Cat-Back Exhaust System 2015-2018 Mustang 2.3L EcoBoost 2.25"/3" Tubing 4" Polished Stainless Steel Double Wall Tips Dual Out Rear Exit Outlaw Series Mufflers 409S Stainless Steel
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$799.95
Ships directly from the manufacturer on 04/23/19
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Ford Mustang V8
Flowmaster 817807
Flowmaster American Thunder Axle-Back Exhaust System 2018-2019 Ford Mustang GT 5.0L V8
$689.95
Ships Monday
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American Thunder Axle-Back Exhaust System 2018-2019 Ford Mustang GT 5.0L V8 3" Tubing 4" Round Polished Stainless Steel Tips Dual Rear Exit Super 44 Series Mufflers 409S Stainless Steel
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$689.95
Ships Monday
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$1,199.95
Ships directly from the manufacturer on 04/23/19
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American Thunder Axle-Back Exhaust System 2018-2019 Mustang GT 5.0L V8 3" Tubing 4" Round Polished Stainless Steel Tips Dual Rear Exit 60 Series Mufflers 409S Stainless Steel
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$1,199.95
Ships directly from the manufacturer on 04/23/19
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Flowmaster 817460
Flowmaster American Thunder Axle-Back Exhaust System 2005-2010 Ford Mustang GT/GT500 4.6L/5.4L
$587.95
(1)
Ships directly from the manufacturer on 04/23/19
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American Thunder Axle-Back Exhaust System2005-2010 Ford Mustang GT/GT500 4.6L/5.4L 2.5" Tubing 4" Polished SS Tips Dual Rear Exit Super 44 Series Muffler 409S Stainless Steel
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$587.95
(1)
Ships directly from the manufacturer on 04/23/19
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Flowmaster 817496
Flowmaster American Thunder Axle-Back Exhaust System 2011-2012 Ford Mustang GT 5.0L/5.4L V8
$516.95
Ships directly from the manufacturer on 04/23/19
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American Thunder Axle-Back Exhaust System 2011-2012 Ford Mustang GT 5.0L/5.4L V8 3" Tubing 4" Polished SS Tips Dual Rear Exit 40 Series Classic Muffler 409S Stainless Steel
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$516.95
Ships directly from the manufacturer on 04/23/19
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Flowmaster 817588
Flowmaster American Thunder Axle-Back Exhaust System 2013-2014 Ford Mustang GT 5.0L V8
$498.95
Ships directly from the manufacturer on 04/23/19
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American Thunder Axle-Back Exhaust System 2013-2014 Ford Mustang GT 5.0L V8 3" Tubing 4" Polished SS Tips Dual Rear Exit Super 44 Series Muffler 409S Stainless Steel
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$498.95
Ships directly from the manufacturer on 04/23/19
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$621.95
Ships directly from the manufacturer on 04/23/19
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American Thunder Axle-Back Exhaust System 2015-2017 Mustang GT 5.0L V8 3" Stainless Steel Tubing 4" Polished Stainless Steel Double Wall Tips Dual Out Rear Exit Super 44 Series Mufflers 409S Stainless Steel
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$621.95
Ships directly from the manufacturer on 04/23/19
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$435.95
Ships directly from the manufacturer on 04/23/19
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American Thunder Cat-Back Exhaust System 1986-1993 Ford Mustang LX 5.0L 1986 Mustang GT 5.0L 2.5" Tubing OE Aluminized Tips Dual Rear Exit Super 44 Series Muffler Aluminized Steel
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$435.95
Ships directly from the manufacturer on 04/23/19
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$480.95
Ships Monday
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American Thunder Cat-Back Exhaust System1986-1993 Ford Mustang LX 5.0L 1986 Mustang GT 5.0L 2.5" Tubing 2.5" Polished SS Tips Dual Rear Exit Super 44 Series Muffler Aluminized Steel
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$480.95
Ships Monday
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Flowmaster 817213
Flowmaster American Thunder Cat-Back Exhaust System 1986-1993 Ford Mustang LX 5.0L
$563.95
(1)
Ships directly from the manufacturer on 04/23/19
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American Thunder Cat-Back Exhaust System 1986-1993 Ford Mustang LX 5.0L 1986 Mustang GT 5.0L 2.5" Tubing 2.5" Polished SS Tips Dual Rear Exit Super 44 Series Muffler 409S Stainless Steel
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$563.95
(1)
Ships directly from the manufacturer on 04/23/19
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Flowmaster 817574
Flowmaster American Thunder Cat-Back Exhaust System 1986-2004 Ford Mustang GT/LX/Cobra 4.6L/5.0L V8
$389.95
Ships directly from the manufacturer on 04/23/19
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American Thunder Cat-Back Exhaust System1986-2004 Ford Mustang GT/LX/Cobra 4.6L/5.0L V8 2.5" Tubing Tips Not Included Dual Dump Exit Super 44 Series Muffler 409S Stainless Steel
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$389.95
Ships directly from the manufacturer on 04/23/19
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$449.95
Ships directly from the manufacturer on 05/09/19
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American Thunder Cat-Back Exhaust System 1987-1993 Ford Mustang GT 5.0L 2.5" Tubing Tips Not Included Dual Rear Exit Super 44 Series Muffler Aluminized Steel
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$449.95
Ships directly from the manufacturer on 05/09/19
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Flowmaster 817116
Flowmaster American Thunder Cat-Back Exhaust System 1987-1993 Ford Mustang GT 5.0L
$565.95
(1)
Ships directly from the manufacturer on 04/23/19
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American Thunder Cat-Back Exhaust System 1987-1993 Ford Mustang GT 5.0L 2.5" Tubing Tips Not Included Dual Rear Exit Super 44 Series Muffler 409S Stainless Steel
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$565.95
(1)
Ships directly from the manufacturer on 04/23/19
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Flowmaster 17112
Flowmaster American Thunder Cat-Back Exhaust System 1994-1997 Ford Mustang GT/Cobra 4.6L/5.0L
$439.95
Ships directly from the manufacturer on 05/13/19
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American Thunder Cat-Back Exhaust System 1994-1997 Ford Mustang GT/Cobra 4.6L/5.0L 2.5" Tubing Tips Not Included Dual Rear Exit Super 44 Series Muffler Aluminized Steel
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$439.95
Ships directly from the manufacturer on 05/13/19
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Flowmaster 17212
Flowmaster American Thunder Cat-Back Exhaust System 1994-1997 Ford Mustang GT/Cobra 4.6L/5.0L
$499.95
Ships directly from the manufacturer on 04/23/19
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American Thunder Cat-Back Exhaust System 1994-1997 Ford Mustang GT/Cobra 4.6L/5.0L 2.5" Tubing 2.5" Polished SS Tips Dual Rear Exit Super 44 Series Muffler Aluminized Steel
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$499.95
Ships directly from the manufacturer on 04/23/19
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Flowmaster 17215
Flowmaster American Thunder Cat-Back Exhaust System 1998 Ford Mustang GT/Cobra 4.6L V8
$527.95
Ships directly from the manufacturer on 04/23/19
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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 Aluminized Steel
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$527.95
Ships directly from the manufacturer on 04/23/19
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Flowmaster 17248
Flowmaster American Thunder Cat-Back Exhaust System 1999-2004 Ford Mustang Cobra 4.6L V8
$536.95
Ships directly from the manufacturer on 04/23/19
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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 Aluminized Steel
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$536.95
Ships directly from the manufacturer on 04/23/19
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Flowmaster 817248
Flowmaster American Thunder Cat-Back Exhaust System 1999-2004 Ford Mustang Cobra 4.6L V8
$631.95
Ships directly from the manufacturer on 04/23/19
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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
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$631.95
Ships directly from the manufacturer on 04/23/19
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Flowmaster American Thunder Cat-Back Exhaust System 1999-2004 Ford Mustang GT/Mach 1/Bullitt 4.6L V8
Flowmaster 17312
Flowmaster American Thunder Cat-Back Exhaust System 1999-2004 Ford Mustang GT/Mach 1/Bullitt 4.6L V8
$511.95
Ships Monday
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American Thunder Cat-Back Exhaust System 1999-2004 Ford Mustang GT/Mach 1/Bullitt 4.6L V8 2.5" Tubing 3" Polished SS Tips Dual Rear Exit Super 40 Series Muffler Aluminized Steel
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$511.95
Ships Monday
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Flowmaster American Thunder Cat-Back Exhaust System 1999-2004 Ford Mustang GT/Mach 1/Bullitt 4.6L V8
Flowmaster 817312
Flowmaster American Thunder Cat-Back Exhaust System 1999-2004 Ford Mustang GT/Mach 1/Bullitt 4.6L V8
$599.95
Ships directly from the manufacturer on 04/23/19
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American Thunder Cat-Back Exhaust System 1999-2004 Ford Mustang GT/Mach 1/Bullitt 4.6L V8 2.5" Tubing 3" Polished SS Tips Dual Rear Exit Super 40 Series Muffler 409S Stainless Steel
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$599.95
Ships directly from the manufacturer on 04/23/19
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Flowmaster 817494
Flowmaster American Thunder Cat-Back Exhaust System 2005-2010 Ford Mustang GT/GT500 4.6L/5.4L V8
$919.95
Ships directly from the manufacturer on 04/23/19
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American Thunder Cat-Back Exhaust System 2005-2010 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
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$919.95
Ships directly from the manufacturer on 04/23/19
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Flowmaster 817587
Flowmaster American Thunder Cat-Back Exhaust System 2013-2014 Ford Mustang GT 5.0L V8
$859.99
Ships directly from the manufacturer on 04/23/19
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American Thunder Cat-Back Exhaust System 2013-2014 Ford Mustang GT 5.0L V8 3" Tubing 4" Polished SS Tips Dual Rear Exit 60 Series Muffler 409S Stainless Steel
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$859.99
Ships directly from the manufacturer on 04/23/19
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Flowmaster 817730
Flowmaster American Thunder Cat-Back Exhaust System 2015-2017 Ford Mustang GT 5.0L V8
$1,080.95
Ships directly from the manufacturer on 04/23/19
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American Thunder Cat-Back Exhaust System 2015-2017 Ford Mustang GT 5.0L V8 3" Tubing 4" Polished SS Tips Dual Rear Exit 60 Series Delta Flow Muffler 409S Stainless Steel
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$1,080.95
Ships directly from the manufacturer on 04/23/19
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$599.95
Ships directly from the manufacturer on 04/23/19
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American Thunder Header-Back Exhaust System1964-1966 Ford Mustang V8 Except Convertibles 2.5" Tubing 2.5" Polished SS Tips Dual Rear Exit 40 Series Delta Flow Muffler Aluminized Steel
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$599.95
Ships directly from the manufacturer on 04/23/19
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