2003 Chevrolet Trailblazer Exhaust Upgrade Parts
24 parts listed for your 2003 Chevrolet Trailblazer for a complete exhaust upgrade. Choose your trim on product pages to confirm exact fit. A moderate DIY project - estimated 2-5 hours.
Cat-Back Exhaust
(2)primary
Headers
(3)primary
Mufflers
(19)primary
AP Exhaust
Direct Fit Muffler - MSL Maximum
$53.88
AP Exhaust
Direct Fit Muffler - MSL Maximum
$56.36
Fel-Pro
Fel-Pro 03-13 Chevrolet Silverado 1500/00-09 Tahoe Exhaust Manifold Hardware Kit
$31.39
Fel-Pro
Fel-Pro Chevrolet Silverado 1500 ES 75106 Exhaust Flange Stud and Nut
$25.80
Fel-Pro
Fel-Pro Chevrolet Trailblazer 61255 Exhaust Pipe Flange Gasket
$8.35
Magnaflow
Magnaflow 02-03 Chevrolet Trailblazer 4.2L Direct Fit Converter
$1499.00
Magnaflow
MagnaFlow Conv DF 02-05 Chevy Trail Blazer/GMC Envoy V6 4.2L 113in Wheelbase / 02-04 Olds Bravada V6
$419.00
Magnaflow
MagnaFlow Conv DF 02-05 Trailblazer 4.2L OEM
$440.00
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. This page groups parts commonly associated with that year, make, and model; confirm your trim on product pages for exact fit.
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?
These parts are listed for the 2003 Chevrolet Trailblazer using manufacturer fitment data. Some products fit every trim, while others require trim confirmation. Use your trim in My Garage or the product page fitment checker to confirm exact fit.
What brands make exhaust upgrade parts for the 2003 Chevrolet Trailblazer?
We carry exhaust upgrade parts from trusted brands including Gibson, JBA, BBK, Fel-Pro, 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.