2003 Chevrolet Trailblazer Exhaust Upgrade Parts
19 parts verified to fit your 2003 Chevrolet Trailblazer for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Cat-Back Exhaust
(2)primary
Headers
(3)primary
Mufflers
(14)primary
Victor Reinz
MAHLE Original Buick Rainier 07-04 Exhaust Gas Recirculation Tube
$6.00
Magnaflow
MagnaFlow Conv Univ 2.50inch
$178.00
Fel-Pro
Fel-Pro 03-13 Chevrolet Silverado 1500/00-09 Tahoe Exhaust Manifold Hardware Kit
$35.42
Magnaflow
Magnaflow 02-03 Chevrolet Trailblazer 4.2L Direct Fit Converter
$1376.00
Fel-Pro
Fel-Pro Chevrolet Trailblazer 61255 Exhaust Pipe Flange Gasket
$9.73
Victor Reinz
MAHLE Original Buick Rainier 07-04 Exhaust Pipe Flange Gasket
$11.80
Fel-Pro
Fel-Pro Chevrolet Silverado 1500 ES 75106 Exhaust Flange Stud and Nut
$29.12
Magnaflow
MagnaFlow Conv Universal 2.50 OEM
$194.00
Exhaust Upgrade for Other Chevrolet Trailblazer Years
Other Jobs for Your 2003 Chevrolet Trailblazer
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2003 Chevrolet Trailblazer?
A complete exhaust upgrade on the 2003 Chevrolet Trailblazer 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 2003 Chevrolet Trailblazer?
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 2003 Chevrolet Trailblazer?
Yes, all parts on this page are verified to fit the 2003 Chevrolet Trailblazer 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 2003 Chevrolet Trailblazer?
We carry exhaust upgrade parts from trusted brands including JBA, Gibson, Fel-Pro, BBK, and Victor Reinz. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2003 Chevrolet Trailblazer?
The cost of a exhaust upgrade for the 2003 Chevrolet Trailblazer 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.