2004 GMC Sierra 2500 HD Exhaust Upgrade Parts
138 parts verified to fit your 2004 GMC Sierra 2500 HD for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Cat-Back Exhaust
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aFe
aFe MACHForce XP Exhausts Cat-Back SS-409 EXH CB GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY
$808.00
Diamond Eye Performance
Diamond Eye KIT 4in Catback MRP Single w/ TDP SS 04-05 Chevy/GMC 6.6L Duramax 2500/3500
$774.98
Gibson
Gibson 02-05 Chevrolet Silverado 2500 HD Base 6.0L 2.5in Cat-Back Dual Split Exhaust - Aluminized
$722.61
Gibson
Gibson 02-05 Chevrolet Silverado 2500 HD Base 6.0L 2.5in Cat-Back Dual Extreme Exhaust - Aluminized
$722.61
aFe
aFe LARGE Bore HD Exhausts Cat-Back SS-409 EXH CB GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY
$660.00
Gibson
Gibson 01-05 Chevrolet Silverado 2500 HD Base 6.0L 2.5in Cat-Back Dual Extreme Exhaust - Stainless
$869.52
Gibson
Gibson 02-05 Chevrolet Silverado 2500 HD Base 6.0L 2.5in Cat-Back Dual Extreme Exhaust - Stainless
$869.52
Gibson
Gibson 01-06 Chevrolet Silverado 2500 HD LS 6.0L 4in Cat-Back Single Exhaust - Stainless
$809.01
Headers
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Gibson
Gibson 05-06 Chevrolet Avalanche 2500 LS 8.1L 1-3/4in 16 Gauge Performance Header - Stainless
$720.32
Victor Reinz
MAHLE Original Chevrolet Express 2500 12-06 Exhaust Manifold Set
$39.26
Victor Reinz
MAHLE Original Chevrolet C2500 00-96 Exhaust Manifold Set
$17.47
Fel-Pro
Fel-Pro Chevrolet Silverado 1500 MSB 92467 Exhaust Manifold Gasket Set Bolts Included
$67.34
BBK
BBK 99-04 GM Truck SUV 6.0 Shorty Tuned Length Exhaust Headers - 1-3/4 Silver Ceramic
$598.26
aFe
aFe Power Twisted Steel Headers 409 Stainless Steel 02-13 GM Silverado/Sierra 1500 V8 GMT800/GMT900
$1223.85
BD Diesel
BD Diesel Driver Side Exhaust Manifold - 02-13 Chevy Silverado 1500 & GMC Sierra 1500 V8
$328.17
BD Diesel
BD Diesel Passenger Side Exhaust Manifold - 02-13 Chevy Silverado 1500 & GMC Sierra 1500 V8
$328.17
Mufflers
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Wehrli
Wehrli 01-16 Chevrolet 6.6L Duramax 2in Stainless Driver Side Up Pipe w/Gaskets (Single/Twin Turbo)
$353.28
Victor Reinz
MAHLE Original Chevrolet Silverado 2500 Hd 03-02 Exhaust Gas Recirculation Valve Gasket
$2.70
Victor Reinz
MAHLE Original Chevrolet Express 2500 09-06 Turbocharger Mounting Set
$67.32
Magnaflow
MagnaFlow Conv Universal 3 inch OBDII Rear
$390.00
Victor Reinz
MAHLE Original Buick Rainier 07-04 Exhaust Pipe Packing Ring
$5.61
Victor Reinz
MAHLE Original Saab 9-7X 08 Exhaust Pipe Donut
$20.12
Wehrli
Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Stainless Down Pipe
$277.44
Fel-Pro
Fel-Pro Chevrolet Silverado 2500 HD 61379 Exhaust Pipe Flange Gasket
$5.90
Exhaust Upgrade for Other GMC Sierra 2500 HD Years
Other Jobs for Your 2004 GMC Sierra 2500 HD
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2004 GMC Sierra 2500 HD?
A complete exhaust upgrade on the 2004 GMC Sierra 2500 HD 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 GMC Sierra 2500 HD?
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 GMC Sierra 2500 HD?
Yes, all parts on this page are verified to fit the 2004 GMC Sierra 2500 HD 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 GMC Sierra 2500 HD?
We carry exhaust upgrade parts from trusted brands including aFe, Diamond Eye Performance, Gibson, JBA, and CORSA Performance. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2004 GMC Sierra 2500 HD?
The cost of a exhaust upgrade for the 2004 GMC Sierra 2500 HD 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.