2004 Pontiac GTO Exhaust Upgrade Parts
35 parts verified to fit your 2004 Pontiac GTO for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Cat-Back Exhaust
(4)primary
JBA
JBA 2004 Pontiac GTO 5.7L 409SS Dual Rear Exit Cat-Back Exhaust
$1023.41
Magnaflow
MagnaFlow Sys C/B 04 Pontiac GTO 5.7L V8
$1512.13
Stainless Works
Stainless Works 2004 GTO 3in Catback Chambered Mufflers X-Pipe Slash Cut Tips
$1627.20
Stainless Works
Stainless Works 2004 GTO 3in Catback Chambered Mufflers X-Pipe Wide Oval Tip
$1627.20
Headers
(8)primary
BBK
BBK GM LS1 4.8 5.3 5.7 6.0 6.2 Exhaust Header Gasket Set
$52.47
Fel-Pro
Fel-Pro 09-13 Chevrolet Silverado 1500/09-13 Corvette/12-15 Camaro Exhaust Manifold Gasket Set
$13.88
JBA
JBA 04-06 Pontiac GTO 5.7/6.0L LS 1-5/8in Primary Raw 409SS Cat4Ward Header
$941.07
JBA
JBA 04-06 Pontiac GTO 5.7/6.0L LS 1-5/8in Primary Silver Ctd Cat4Ward Header
$1088.77
Kooks Headers
Kooks LS Engine Header Bolts and Locking Hardware Qty 12 - M8 - 1.25 x 25mm Bolts
$60.63
Victor Reinz
MAHLE Original Buick Allure 09-08 Exhaust Manifold Set
$22.99
Stainless Works
Stainless Works 2004 GTO Headers 1-3/4in Primaries 3in High-Flow Cats
$2011.20
Kooks Headers
Kooks 04 Pontiac GTO Base 1-7/8 x 3 Header & Catted GTO Conn Kit
$2630.45
Mufflers
(8)primary
Cometic Gasket
Cometic GM Gen-3/4 Small Block V8 .060in HTS Exhaust Manifold Gasket Set
$33.48
Cometic Gasket
Cometic GM Gen-3/4 Small Block V8 MLS Exhaust Manifold Gasket Set
$53.75
Cometic Gasket
Cometic GM Gen-3/Gen-4 Small Block LS V8 Graphite Exhaust Flange Gasket
$10.01
Cometic Gasket
Cometic GM Gen-3/Gen-4 Small Block LS V8 Metal Ring Exhaust Flange Gasket
$8.60
Cometic Gasket
Cometic GM LS1 5.3L/5.7L/6.0L .030 inch MLS Exhaust Gaskets (Pair)
$40.41
Kooks Headers
Kooks 04 Pontiac GTO LS1 5.7L 3in x 2 1/2in OEM Cat SS Exhaust Conn. Pipes
$1414.45
Kooks Headers
Kooks GM LSX Cylinder Heads Cometic MLS (Multi-Layer Steel) Exhaust Gaskets
$38.77
Magnaflow
Magnaflow 2004 Pontiac GTO 5.7L Direct Fit Converter
$1551.00
Exhaust Upgrade for Other Pontiac GTO Years
Other Jobs for Your 2004 Pontiac GTO
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2004 Pontiac GTO?
A complete exhaust upgrade on the 2004 Pontiac GTO 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 Pontiac GTO?
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 Pontiac GTO?
Yes, all parts on this page are verified to fit the 2004 Pontiac GTO 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 Pontiac GTO?
We carry exhaust upgrade parts from trusted brands including JBA, Magnaflow, Stainless Works, BBK, and Fel-Pro. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2004 Pontiac GTO?
The cost of a exhaust upgrade for the 2004 Pontiac GTO 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.