2007 Hummer H3 Exhaust Upgrade Parts
25 parts verified to fit your 2007 Hummer H3 for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Cat-Back Exhaust
(8)primary
CORSA Performance
Corsa 2006-2008 Hummer H3 3.5L Polished Sport Cat-Back Exhaust
$2026.50
CORSA Performance
Corsa 2006-2008 Hummer H3 3in Cat-Back Dual Rear w Single 4in Black Pro-Series Tips
$2067.46
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
Magnaflow
MagnaFlow Sys C/B 05 Hummer H3 3.5L
$1068.92
Headers
(1)primary
Mufflers
(8)primary
AP Exhaust
Exhaust Muffler Assembly
$134.24
Walker Exhaust
EXHAUST MUFFLER ASSEMBLY
$139.81
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
Magnaflow
Magnaflow 07-08 Hummer H3 3.7L Direct Fit Converter
$951.00
Magnaflow
Magnaflow CARB Compliant Universal Catalytic Converter 2.5in In / 2.5in Out / 9in Long
$641.00
Magnaflow
MagnaFlow Conv DF 04-06 Chevy Colorado 3.5L
$1059.00
Magnaflow
MagnaFlow Conv DF 04-06 Colorado 2.8/3.5 rr O
$451.00
Exhaust Upgrade for Other Hummer H3 Years
Other Jobs for Your 2007 Hummer H3
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2007 Hummer H3?
A complete exhaust upgrade on the 2007 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 2007 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 2007 Hummer H3?
Yes, all parts on this page are verified to fit the 2007 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 2007 Hummer H3?
We carry exhaust upgrade parts from trusted brands including CORSA Performance, Gibson, Magnaflow, Fel-Pro, and AP Exhaust. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2007 Hummer H3?
The cost of a exhaust upgrade for the 2007 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.