2003 Nissan Maxima Exhaust Upgrade Parts
32 parts listed for your 2003 Nissan Maxima for a complete exhaust upgrade. Choose your trim on product pages to confirm exact fit. A moderate DIY project - estimated 2-5 hours.
Headers
(2)primaryMufflers
(30)primary

AP Exhaust
Direct Fit Muffler - MSL Maximum
$58.63


Brexhaust
Exhaust Muffler Assembly
$206.03

Fel-Pro
Fel-Pro 09-14 Acura TL/10-14 TSX/17-21 Honda Civic Exhaust Pipe Flange Gasket
$5.08

Fel-Pro
Fel-Pro Nissan Altima Exhaust Pipe Flange Gasket
$3.38

Fel-Pro
Fel-Pro Nissan Sentra Exhaust Pipe Flange Gasket
$4.02

Magnaflow
MagnaFlow 02-04 Infiniti I35 3.5L / 02-03 Nissan Maxima 3.5L Rear Underbody D/F Catalytic Converter
$376.00

Magnaflow
MagnaFlow Conv DF 02-03 Maxima frt mani OEM
$1179.00

Magnaflow
MagnaFlow Conv DF 02-03 Maxima rr mani OEM
$447.00
Exhaust Upgrade for Other Nissan Maxima Years
Other Jobs for Your 2003 Nissan Maxima
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2003 Nissan Maxima?
A complete exhaust upgrade on the 2003 Nissan Maxima typically requires 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 Nissan Maxima?
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 Nissan Maxima?
These parts are listed for the 2003 Nissan Maxima 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 Nissan Maxima?
We carry exhaust upgrade parts from trusted brands including Fel-Pro, Victor Reinz, AP Exhaust, Brexhaust, and Magnaflow. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2003 Nissan Maxima?
The cost of a exhaust upgrade for the 2003 Nissan Maxima 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.

