2004 Ford Mustang Exhaust Upgrade Parts
87 parts verified to fit your 2004 Ford Mustang for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Cat-Back Exhaust
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Borla
Borla 99-04 Ford Mustang SVT Cobra Aggressive SS Catback Exhaust
$1199.99

Borla
Borla 99-04 Ford Mustang GT 4.5L V8 AT/MT RWD 2dr ATAK SS Catback Exhaust
$1249.99

Magnaflow
MagnaFlow Sys C/B 99-04 Ford Mustang Cobra 4.6L 32V
$980.89

BBK
BBK 99-04 Mustang 4.6 GT / Cobra High Flow X Pipe With Catalytic Converters - 2-1/2
$734.71

Magnaflow
MagnaFlow 99-04 Mustang Mach 1 V8 4.6L Dual Split Rear Exit Stainless Cat-Back Performance Exhaust
$1086.20

JBA
JBA 99-04 Ford Mustang Cobra IRS 4.6L 4V 409SS Dual Rear Exit Cat-Back Exhaust
$858.69

Gibson
Gibson 99-04 Ford Mustang GT 4.6L 3in Cat-Back Dual Exhaust - Stainless
$847.05

Magnaflow
MagnaFlow Sys C/B Ford Mustang 3.8L V-6 99-04
$990.34
Headers
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Victor Reinz
MAHLE Original Ford E-150 03 Exhaust Manifold Set
$21.39

BBK
BBK Ford 4.6 5.4 4V Exhaust Header Gasket Set
$52.47

BBK
BBK Ford 3.8 3.9 V6 Exhaust Header Gasket Set
$47.22

BBK
BBK 99-04 Mustang V6 Shorty Tuned Length Exhaust Headers - 1-5/8 Silver Ceramic
$461.81

Fel-Pro
Fel-Pro Ford F-150 Exhaust Manifold Gasket Set
$13.76

BBK
BBK 86-04 Ford Mustang Coyote Swap 1-3/4in Long Tube Headers w/High Flow Catted X-Pipe (Ti Ceramic)
$1500.92

Fel-Pro
Fel-Pro Ford F-150 MS 95968 Exhaust Manifold Gasket Set
$21.68

JBA
JBA 99-04 Ford Mustang 4.6L 4V 1-5/8in Primary Ti Ctd Cat4Ward Header
$1023.37
Mufflers
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Magnaflow
MagnaFlow Conv DF 99-04 Ford Mustang 3.8L
$1848.00

Magnaflow
Magnaflow Conv Univ 2.25in Rear CA
$373.00

SLP
SLP Exhaust LoudMouth 2.5in Inlet / Outlet Bullet-Type Resonator
$194.56

Fel-Pro
Fel-Pro Ford F-150 ES 75122 Exhaust Manifold Hardware Kit
$15.45

Magnaflow
MagnaFlow Conv DF 99-01 Ford Mustang 3.8L
$1848.00

Fel-Pro
Fel-Pro Ford F-150 Exhaust Flange Stud and Nut
$24.27

Magnaflow
MagnaFlow Conv Univ 2.25in Inlet/Outlet Center/Center Oval 12in Body L x 6.5in W x 16in Overall L
$231.00

Magnaflow
MagnaFlow Conv Univ 2.25inch Angled Inlet
$172.00
Exhaust Upgrade for Other Ford Mustang Years
Other Jobs for Your 2004 Ford Mustang
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2004 Ford Mustang?
A complete exhaust upgrade on the 2004 Ford Mustang typically requires cat-back exhaust, headers, mufflers. All parts shown on this page are verified to fit your specific vehicle.
How long does a exhaust upgrade take on a 2004 Ford Mustang?
A exhaust upgrade typically takes 2-5 hours and is rated as moderate difficulty. Actual time may vary depending on your experience and the specific parts being replaced.
Can I do a exhaust upgrade myself?
A exhaust upgrade is a moderate DIY project. If you have some mechanical experience and the right tools, you can handle it. Otherwise, consider having a professional do the work.
Are these parts guaranteed to fit my 2004 Ford Mustang?
Yes, all parts on this page are verified to fit the 2004 Ford Mustang using VCDB fitment data from manufacturers. Our fitment information is cross-referenced with industry-standard vehicle databases to ensure accuracy.
What brands make exhaust upgrade parts for the 2004 Ford Mustang?
We carry exhaust upgrade parts from trusted brands including Borla, Magnaflow, BBK, JBA, and Gibson. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2004 Ford Mustang?
The cost of a exhaust upgrade for the 2004 Ford Mustang depends on the parts and brands you choose. Browse the parts on this page to see current pricing. Doing the work yourself saves significantly on labor costs.
