2004 Nissan Altima Exhaust Upgrade Parts
40 parts verified to fit your 2004 Nissan Altima for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Headers
(4)primaryMufflers
(36)primary
Magnaflow
MagnaFlow Conv Univ 2.25inch OBDII Front 50State
$327.00

Magnaflow
MagnaFlow Conv DF 02-06 Altima 2.5L rear OEM
$347.00

Fel-Pro
Fel-Pro 09-14 Acura TL/10-14 TSX/17-21 Honda Civic Exhaust Pipe Flange Gasket
$5.32

Magnaflow
MagnaFlow Conv DF 02-06 Sentra 2.5L OEM
$1102.00

Magnaflow
MagnaFlow Conv Univ 2.25in Inlet/Outlet Center/Center Round 9in Body L x 5.125in W x 13in Overall L
$194.00

Magnaflow
MagnaFlow 02-06 Nisssan Altima/Sentra V4 2.5L Manifold Direct Fit Catalytic Converter
$1102.00

Magnaflow
MagnaFlow Conv DF 02-03 Altima 3.5 rr mani OE
$419.00

Fel-Pro
Fel-Pro Nissan Sentra Exhaust Pipe Flange Gasket
$8.61
Exhaust Upgrade for Other Nissan Altima Years
Other Jobs for Your 2004 Nissan Altima
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2004 Nissan Altima?
A complete exhaust upgrade on the 2004 Nissan Altima typically requires headers, mufflers. All parts shown on this page are verified to fit your specific vehicle.
How long does a exhaust upgrade take on a 2004 Nissan Altima?
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 2004 Nissan Altima?
Yes, all parts on this page are verified to fit the 2004 Nissan Altima 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 2004 Nissan Altima?
We carry exhaust upgrade parts from trusted brands including Fel-Pro, Victor Reinz, and Magnaflow. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2004 Nissan Altima?
The cost of a exhaust upgrade for the 2004 Nissan Altima 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.

