2004 Subaru Forester Exhaust Upgrade Parts
70 parts listed for your 2004 Subaru Forester 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
(1)primary
Headers
(4)primary
Fel-Pro
Fel-Pro 15-20 Subaru WRX/13-20 WRX STI/17-20 Toyota 86 Exhaust Manifold Gasket Set
$11.47
Fel-Pro
Fel-Pro Subaru Outback MS 97210 Exhaust Manifold Gasket Set
$12.92
Victor Reinz
MAHLE Original Saab 9-2X 06-05 Exhaust Manifold Set
$17.72
Victor Reinz
MAHLE Original Subaru Baja 06-04 Exhaust Manifold Set
$17.00
Mufflers
(65)primary
BLOX Racing
BLOX Racing 60mm Subaru FA20/FA20DIT/EJ20/EJ25 Exhaust Donut
$9.60
BLOX Racing
BLOX Racing Cylinder Head to Exhaust Manifold MLS Gasket for Subaru EJ20/EJ25 (Pair)
$14.40
BLOX Racing
BLOX Racing Exhaust Manifold to Crossover Pipe MLS Gasket for Subaru EJ20/EJ25 (Pair)
$21.71
BLOX Racing
BLOX Racing Exhaust Manifold to Up-Pipe for Subaru EJ20/EJ25
$8.80
BLOX Racing
BLOX Racing MLS Exhaust Turbo to Downpipe Gasket - 6 Layers - Subaru EJ20/EJ25
$12.80
BLOX Racing
BLOX Racing Up-Pipe to Turbo MLS Gasket for Subaru EJ20/EJ25
$10.40
Cometic Gasket
Cometic Rover V8 .064in Exhaust Gasket Set
$36.63
Cometic Gasket
Cometic Subaru EJ205/EJ255/EJ257 .030in MLS Exhaust Turbo Inlet Gasket
$17.23
Exhaust Upgrade for Other Subaru Forester Years
Other Jobs for Your 2004 Subaru Forester
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2004 Subaru Forester?
A complete exhaust upgrade on the 2004 Subaru Forester 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 2004 Subaru Forester?
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 Forester?
These parts are listed for the 2004 Subaru Forester 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 2004 Subaru Forester?
We carry exhaust upgrade parts from trusted brands including Turbo XS, Fel-Pro, Victor Reinz, BLOX Racing, and Cometic Gasket. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2004 Subaru Forester?
The cost of a exhaust upgrade for the 2004 Subaru Forester 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.