99-04 Mustang Exhaust Sounds

Flowmaster American Thunder Catback Exhaust (99-04 GT / Mach 1 / Bullitt)

Add that classic muscle car sound to your GT with a Flowmaster American Thunder Catback Exhaust Kit from AmericanMuscle.

  • Aggressive Sound
  • Super 40 Series Mufflers.
  • Mandrel Bent Tubing
  • 3" Polished Tips
  • Fits 1999-2004 GT
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Flowmaster American Thunder Catback Exhaust Shop Now $419.99

Pypes Violator Catback Exhaust (98-04 GT / Mach 1 / Bullitt)

Add an aggressive throaty sound and 8 to 13 more horsepower to your GT with a Pypes Violator Catback system that features two Violator "Rude Sound" mufflers and 3.5" Polished Stainless Steel tips.

  • Increase of 8 to 13HP
  • Aggressive Sound Profile
  • 2.5" Tubing
  • 3.5" Polished Tips
  • Fits 1996-2004 GT
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Pypes Violator Catback Exhaust Shop Now $419.99

SLP Power-Flo Catback Exhaust (99-04 GT / Mach 1 / Bullitt)

Gain a muscle car sound and horsepower with an SLP Power-Flo modular cat-back exhaust system, all while sporting brightly polished 3.5" stainless steel tips.

  • Classic muscle car sound
  • Versatile modular design
  • 2.5" Stainless Steel Tubing
  • 3.5" Polished Tips
  • Fits 1999-2004 GT
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SLP Power-Flo Catback Exhaust Shop Now $489.99

Magnaflow Catback Exhaust (99-04 GT / Mach 1 / Bullitt)

This Magnaflow Catback will add a classic muscle car sound to your Mustang and increase your rear wheel horsepower at the same time.

  • Classic muscle car sound
  • 2.5" Mandrel-bent tubing
  • Durable Construction
  • 3.5" Polished Tips
  • Fits 1999-2004 GT
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Magnaflow Catback Exhaust Shop Now $539.99

Bassani Catback Exhaust (99-04 GT / Mach 1 / Bullitt)

The Bassani Catback exhaust will give your 1999-2004 GT, Mach 1 and Bullitt Mustang a more aggressive exhaust sound.

  • Aggressive exhaust sound.
  • Performance mufflers
  • Durable Stainless Steel
  • Lifetime Warranty
  • Fits 1999-2004 GT
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Bassani Catback Exhaust Shop Now $754.99

SLP Loudmouth Catback (99-04 GT / Mach 1 / Bullitt)

With an SLP Loudmouth cat-back exhaust system, you'll gain a loud aggressive sound and reclaim lost horsepower, all while sporting 3.5" polished stainless tips.

  • Rich, throaty tone
  • Versatile modular design
  • 2.5" tubing
  • 3.5" polished tips
  • Fits 1999-2004 GT
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SLP Loudmouth Catback Shop Now $479.99

Magnaflow 'MagnaPack' (99-04 GT / Mach 1 / Bullitt)

This Magnaflow "MagnaPack" Catback will add an aggressive muscle car sound to your Mustang and increase your rear wheel horsepower at the same time.

  • Aggressive Sound
  • 2.5" Mandrel-bent tubing
  • Polished 3.5" tips
  • Includes MagnaPack Mufflers
  • Fits 1999-2004 GT
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Magnaflow MagnaPack Exhaust Shop Now $539.99

SLP Mustang Loudmouth II Catback (99-04 GT / Mach 1 / Bullitt)

Gain an aggressive muscle car sound and increase horsepower with an SLP Loudmouth II modular cat-back exhaust system, all while sporting dual 3.5" polished stainless tips.

  • Rich, throaty tone
  • Versatile modular design
  • Polished 3.5" tips
  • Includes "Bullet-type" Race Mufflers
  • Fits 1999-2004 GT
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SLP Mustang Loudmouth II Catback Shop Now $495.99

Borla Stinger S-Type Catback (99-04 GT / Mach 1 / Bullitt)

Improve your Mustangs exhaust flow for an increase in power with a Borla S-Type Catback that features their signature "Stinger" mufflers and brightly polished 4" tips.

  • Aggressive exhaust note
  • Increases horsepower
  • Bolt-on installation
  • Includes S-Type Mufflers
  • 4" polished tips
  • Durable Construction
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Borla Stinger S-Type Catback Shop Now $679.99