2009 Hummer H3 Exhaust Upgrade Parts
35 parts verified to fit your 2009 Hummer H3 for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Cat-Back Exhaust
(8)primary
Gibson
Gibson 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Dual Extreme Exhaust - Stainless
$733.41

Gibson
Gibson 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Dual Split Exhaust - Aluminized
$591.00

Gibson
Gibson 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Dual Split Exhaust - Stainless
$733.41

Gibson
Gibson 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Single Exhaust - Aluminized
$490.27

Gibson
Gibson 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Single Exhaust - Stainless
$642.68

Gibson
Gibson 08-10 Hummer H3 Alpha 5.3L 2.5in Cat-Back Dual Extreme Exhaust - Stainless
$733.41

Gibson
Gibson 08-10 Hummer H3 Alpha 5.3L 2.5in Cat-Back Dual Split Exhaust - Stainless
$733.41

Gibson
Gibson 08-10 Hummer H3 Alpha 5.3L 3in Cat-Back Single Exhaust - Stainless
$642.68
Headers
(4)primary
Fel-Pro
Fel-Pro 09-13 Chevrolet Silverado 1500/09-13 Corvette/12-15 Camaro Exhaust Manifold Gasket Set
$13.88

Fel-Pro
Fel-Pro Chevrolet Silverado 1500 MSB 92467 Exhaust Manifold Gasket Set Bolts Included
$59.78

Fel-Pro
Fel-Pro Hummer H3 MS 97009 Exhaust Manifold Gasket Set
$9.35

Victor Reinz
MAHLE Original Buick Allure 09-08 Exhaust Manifold Set
$22.99
Mufflers
(8)primary
Cometic Gasket
Cometic GM Gen-3/4 Small Block V8 MLS Exhaust Manifold Gasket Set
$53.75


Cometic Gasket
Cometic GM LS1 5.3L/5.7L/6.0L .030 inch MLS Exhaust Gaskets (Pair)
$40.41


AP Exhaust
Exhaust Muffler Assembly
$134.24

Fel-Pro
Fel-Pro 03-13 Chevrolet Silverado 1500/00-09 Tahoe Exhaust Manifold Hardware Kit
$31.44

Fel-Pro
Fel-Pro 06-15 Mazda MX-5 Miata/03-06 Mitsubishi Lancer/02-05 Honda Civic Exhaust Pipe Flange Gasket
$18.79

Fel-Pro
Fel-Pro 14-21 Chevrolet Silverado 1500/17-22 Cadillac Escalade Exhaust Pipe Flange Gasket
$7.01

Fel-Pro
Fel-Pro 14-21 Chevrolet Silverado 1500/18-22 Suburban/18-22 Tahoe Exhaust Pipe Flange Gasket
$5.72

Fel-Pro
Fel-Pro Chevrolet Silverado 1500 ES 75106 Exhaust Flange Stud and Nut
$25.85
Exhaust Upgrade for Other Hummer H3 Years
Other Jobs for Your 2009 Hummer H3
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2009 Hummer H3?
A complete exhaust upgrade on the 2009 Hummer H3 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 2009 Hummer H3?
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 2009 Hummer H3?
Yes, all parts on this page are verified to fit the 2009 Hummer H3 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 2009 Hummer H3?
We carry exhaust upgrade parts from trusted brands including Gibson, Fel-Pro, Victor Reinz, Cometic Gasket, and AP Exhaust. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2009 Hummer H3?
The cost of a exhaust upgrade for the 2009 Hummer H3 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.
