Add to Wish list Borla Performance Industries Borla ATAK Cat-Back Exhaust (1999-04 GT, 2003-04 Mach1) $1,076.65 $847.99 Mount an offensive to regain optimum acoustics with Borla ATAK cat-back systems. Your modern musclecar will not only be performance-enhanced, but also acoustically tuned to a loud, aggressive exhaust note, making those of you who prefer the sound of your... Compare Add to Cart
Add to Wish list Borla Performance Industries Borla Stinger S-Type Cat-Back Exhaust (1999-04 GT, 2003-04 Mach1) $789.92 $622.99 Borla S-Type Cat-Back Exhaust Systems feature patented straight-through and multi-core technology to unleash hidden horsepower in your 1999 through 2004 Mustang 4.6L V8, and produce a more aggressive sound and higher flow. Increased exhaust velocity adds... Compare Add to Cart
Add to Wish list Borla Performance Industries Borla Touring Cat-Back Exhaust (1999-04 GT, 2003-04 Mach1) $963.32 $758.99 Borla Touring Cat-Back Exhaust Systems feature patented straight-through and multi-core technology to unleash hidden horsepower and produce a more aggressive sound and higher flow. Increased exhaust velocity adds power, driving excitement, fuel economy,... Compare Add to Cart
Add to Wish list Flowmaster Exhaust Flowmaster American Thunder 409S Cat-Back Exhaust (1999-04 GT, 2003-04 Mach1) $786.12 $601.38 These Flowmaster Stainless Steel American Thunder exhaust systems have been designed with the latest exhaust technology available. Through this technology, you will experience improvements in acceleration, passing power, and fuel mileage. The key to... Compare Add to Cart
Add to Wish list Flowmaster Exhaust Flowmaster American Thunder Cat-Back Exhaust (1999-04 GT, 2003-04 Mach1, 01 Bullitt) $668.21 $511.18 For the person who is looking for a complete Cat-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a... Compare Add to Cart
Add to Wish list Magnaflow Magnaflow Cat-Back Dual Dump Exhaust (1986-04 V8) $766.32 $488.53 These MagnaFlow Performance Exhaust Systems are as rugged and reliable as the Mustang that you drive. These cat-back exhaust kits feature OEM-style barbed hangers for easy installation, mandrel bends to eliminate exhaust flow restrictions, and... Compare Add to Cart
Add to Wish list Magnaflow Magnaflow Competition Series Cat-Back Exhaust - 2.5in. (1999-04 GT, 2003-04 Mach1, 2001 Bullitt) $1,037.95 $661.69 These MagnaFlow Magnapack exhaust systems are as rugged and reliable as the Mustang that you drive. These cat-back exhaust kits feature OEM-style barbed hangers for easy installation, mandrel bends to eliminate exhaust flow restrictions, and MagnaFlow's... Compare Add to Cart
Add to Wish list Magnaflow Magnaflow Street Series Cat-Back Exhaust - 2.5in. (1999-04 GT, 2003-04 Mach1, 2001 Bullitt) $825.17 $618.88 These MagnaFlow Performance Street Exhaust Systems are as rugged and reliable as the Mustang that you drive. These cat-back exhaust kits feature OEM-style barbed hangers for easy installation, mandrel bends to eliminate exhaust flow restrictions, and... Compare Add to Cart