2004 Subaru Outback Exhaust Upgrade Parts
42 parts verified to fit your 2004 Subaru Outback for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Headers
(5)primary
Fel-Pro
Fel-Pro Subaru Outback MS 97191 Exhaust Manifold Gasket Set
$9.19
Fel-Pro
Fel-Pro Subaru Outback MS 97210 Exhaust Manifold Gasket Set
$14.26
Fel-Pro
Fel-Pro 15-20 Subaru WRX/13-20 WRX STI/17-20 Toyota 86 Exhaust Manifold Gasket Set
$13.36
Victor Reinz
MAHLE Original Saab 9-2X 06-05 Exhaust Manifold Set
$15.30
Victor Reinz
MAHLE Original Subaru Baja 06-04 Exhaust Manifold Set
$16.54
Mufflers
(37)primary
Magnaflow
MagnaFlow Conv Univ 2.25inch OBDII Front 50State
$327.00
Magnaflow
MagnaFlow Conv Univ 2.5inch/2inch Single/dual
$704.00
Magnaflow
MagnaFlow Conv DF 01-04 Subaru Outback 3L Passenger Side
$701.00
Magnaflow
MagnaFlow Conv Universal 2.00 Front Spun
$372.00
Fel-Pro
Fel-Pro 13-21 Subaru WRX STI/13-24 WRX/05-09 Outback/04-10 Forester Exhaust Pipe Flange Gasket
$7.64
Magnaflow
MagnaFlow Conv Universal 2.00 Angled In / Out OEM
$179.00
Magnaflow
MagnaFlow Conv Universal 2.25 with single O2 OEM
$197.00
Magnaflow
Magnaflow Conv DF 04-05 Subaru Outback/Legacy 2.5L D/S
$1014.00
Exhaust Upgrade for Other Subaru Outback Years
Other Jobs for Your 2004 Subaru Outback
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2004 Subaru Outback?
A complete exhaust upgrade on the 2004 Subaru Outback 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 Subaru Outback?
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 Subaru Outback?
Yes, all parts on this page are verified to fit the 2004 Subaru Outback 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 Subaru Outback?
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 Subaru Outback?
The cost of a exhaust upgrade for the 2004 Subaru Outback 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.