Buy GM Performance
Questions? call: 623-434-5277
banners/lg5.jpg
Your cart is currently empty
view cart
S/817312_2.jpg
Stage 3 Motorsports offers a variety of 1999-2004 Mustang GT Exhaust Systems. Adding a 99-04 mustang exhaust system should be one of your first upgrades. We offer mustang exhaust systems from SLP exhaust, Roush Performance, Magnaflow, MAC Performance and many more. When you are ready for more power, check out our 1999-2004 Mustang GT Cold Air Intakes.
1996-2004 Mustang GT Spintech SCS333 Mufflers (Roush Replacements)
by Spintech
our price: $249.95
Spintech 333SCS muffler set. These are weld in replacements for SM01 and SM02 Roush side exit exhaust kits. These are special order and take about ...
1999-04 Mustang GT/Mach 1 Bassani 3" SS Cat-Back
by Bassani
our price: $899.99
1999-2000-2001-2003-2004 Mustang GT/Mach 1 Bassani 3" SS Cat-Back Features: 3" diameter stainless steel tubing. Dual 4x8 mufflers. 3.5" single wa...
1999-04 Mustang GT/Mach 1 Bassani 2.5" SS Cat-Back
by Bassani
our price: $749.95
1999-2000-2001-2003-2004 Mustang GT/Mach 1 Bassani 2.5" SS Cat-Back Features: 2.5" diameter stainless steel tubing. Dual 4x8 mufflers. 3.5" singl...
1999-2004 Mustang GT / Mach 1 4.6L V8 Borla Cat-back Exhaust System
by BORLA
our price: $625.00
1999, 2000, 2001, 2002, 2003, 2004 Mustang GT / Mach 1 4.6L V8 Borla Cat-back Exhaust System Give your 1999-2004 Mustang GT the unmistakable rumbl...
1999-04 Mustang GT/Mach 1 Bassani 2.5" Aluminum Cat-Back
by Bassani
our price: $549.95
1999-2000-2001-2003-2004 Mustang GT/Mach 1 Bassani 2.5" Aluminum Cat-Back - Sale Features: 2.5" diameter aluminum tubing. Dual 4x8 mufflers. 3.5"...
1999-04 Mustang Chicane S351 Center Exhaust Kit
by Chicane
our price: $499.99
1999-2000-2001-2003-2004 Mustang Chicane S351 Center Exhaust Kit Requires our Center Exhaust Saleen Rear Valance. Out of Stock - Will not be ship...
1999-2004 Mustang GT/Mach 1 Flowmaster Cat-Back Exhaust System - Aluminized
by Flowmaster
our price: $369.99
1999-2000-2001-2003-2004 Mustang GT/Mach 1 Flowmaster Cat-Back Exhaust System - American Thunder - Aluminized For the person who is looking for a ...
1994-97 Mustang GT/Cobra Flowmaster Cat-Back Exhaust System
by Flowmaster
our price: $484.90
1994-1995-1996-1997 Mustang GT/Cobra Flowmaster Cat-Back Exhaust System Exhaust Kits - American Thunder Kit Part Description: Cat-back System 409...
1999-2004 Mustang GT/Mach 1 Flowmaster Cat-Back Exhaust System
by Flowmaster
our price: $499.99
1999-2000-2001-2003-2004 Mustang GT/Mach 1 Flowmaster Cat-Back Exhaust System - American Thunder - Stainless Steel For the person who is looking f...
1999-2004 Mustang GT JBA 2.5 Inch Cat-Back Exhaust Kit - Stainless Steel
by JBA
our price: $479.95
1999-2000-2001-2003-2004 Mustang GT JBA 2.5 Inch Cat-Back Exhaust Kit - Stainless Steel This is the system your mean machine has been begging for...
1999-04 Mustang GT Magnaflow Cat-Back Exhaust System
by Magnaflow
our price: $459.86
1999-2000-2001-2003-2004 Mustang GT - 4.6L V8 4x9x14" Muffler, 2.5" Tubing, Rear Exit, 3.5" Tip Features large diameter, mandrel-bent extensions ...
1999-04 Mustang GT Magnaflow Magnapack Exhaust System
by Magnaflow
our price: $549.78
1999-2000-2001-2003-2004 4.6L V8, GT, Dual Magnapack System 4x4x14" Muffler, 2.5" Tubing, Dual Rear Exit, 3.5" Tips Magnapack system utilizes a ro...
1996-04 Mustang GT & 1996-98 Cobra MAC 2.5" Exhaust System 3'' Tips
by Mac Performance
our price: $313.03
1996-1997-1998-1999-2000-2001-2002-2003-2004 Mustang GT & 96-98 Mustang Cobra 2.5" System with 3" Tips. This complete cat-back system from MAC will...
1996-04 Mustang GT & 1996-98 Cobra MAC 3" Exhaust System 3.5'' Tips
by Mac Performance
our price: $499.99
1996-1997-1998-1999-2000-2001-2003-2004 Mustang GT & 96-98 Mustang Cobra 3" System with 3.5" Tips. This complete cat-back system from MAC will giv...
1999-2004 Mustang GT Pypes The Beast Off-Road Exhaust
by Pypes
our price: $577.49
1999-2000-2001-2003-2004 Mustang GT Pypes The Beast Off-Road Exhaust
1999-04 Mustang GT Pypes Violator Catback Exhaust
by Pypes
our price: $419.99
1999-2000-2001-2002-2003-2004 Mustang GT Pypes Violator Catback Exhaust
1999-2004 Mustang GT Pypes Violator Dual Exhaust System
by Pypes
our price: $482.99
1999-2000-2001-2003-2004 Mustang GT Pypes Violator Dual Exhaust System
1999-04 Mustang Saleen S351 Center Exhaust Kit
by Saleen
our price: $895.95
1999-2000-2001-2002-2003-2004 Mustang Saleen S351 Center Exhaust Kit Original equipment on 02-04 S281-E and 2004 Saleen Mustangs. Includes interme...
1999-04 Mustang GT/Mach 1 SLP "Power-Flow" Exhaust System (Modular)
by SLP
our price: $474.95
1999-2000-2001-2002-2003-2004 Mustang GT/Mach 1 SLP "Power-Flow" Exhaust System (Modular) SLPs Mustang cat-backs have always been the best perform...
1999-04 Mustang GT SLP "Loud Mouth" Exhaust System (Modular)
by SLP
our price: $472.99
1999-2000-2001-2002-2003-2004 Mustang GT SLP "Loud Mouth" Exhaust System (Modular) SLPs Mustang LoudMouth has always been the best performing cat-...
1999-04 Mustang GT SLP "Loud Mouth II" Exhaust System (Modular)
by SLP
our price: $494.99
1999-2000-2001-2002-2003-2004 Mustang GT SLP "Loud Mouth II" Exhaust System (Modular) SLPs Mustang LoudMouthII has always been the best performing...
1998 Mustang GT/Cobra "Loud Mouth" Exhaust Kit (modular)
by SLP
our price: $524.99
1998 Mustang GT/Cobra "Loud Mouth" Exhaust Kit (modular) SLPs Mustang cat-backs have always been the best performing exhaust systems in the busine...
1999-2004 Mustang GT 4.6L Roush Side Exhaust System (Enhanced Sound)
by Roush
our price: $849.99
1999, 2000, 2001, 2002, 2003, 2004 Mustang GT 4.6L SOHC Roush Side Exhaust System (Enhanced Sound) Make big gains in the power, fuel efficiency, a...
1999-04 Mustang Spintech Roush Style Side Exhaust Kit - Fits Roush Body Kit
by Spintech
our price: $899.95
1999-2000-2001-2002-2003-2004 Mustang Spintech Roush Style Side Exhaust Kit - Fits Roush Body Kit Spintech 333SCS exhaust kit with Roush tips. The...
Copyright ® 2012. Please read our Privacy and Returns Policies. 
E-Commerce solution provided by Zoovy.