2004 Mazda 6 Exhaust Upgrade Parts
36 parts listed for your 2004 Mazda 6 for a complete exhaust upgrade. Choose your trim on product pages to confirm exact fit. A moderate DIY project - estimated 2-5 hours.
Headers
(4)primary
Fel-Pro
Part # MS96656
Fel-Pro 06-13 Mazda MX-5 Miata/10-12 CX-7/05-11 Ford Focus Exhaust Manifold Gasket Set
$21.08

Fel-Pro
Part # MS95715
Fel-Pro Ford Escape MS 95715 Exhaust Manifold Gasket Set
$12.30

Victor Reinz
Part # MS12415
MAHLE Original Ford Contour 00-95 Exhaust Manifold Set
$21.65

Victor Reinz
Part # MS19582
MAHLE Original Ford Focus 11-04 Exhaust Manifold Set
$27.39
Mufflers
(32)primary
Fel-Pro
Part # 61348
Fel-Pro 06-15 Mazda MX-5 Miata/03-06 Mitsubishi Lancer/02-05 Honda Civic Exhaust Pipe Flange Gasket
$17.78

Fel-Pro
Part # 23626
Fel-Pro Toyota Pickup Exhaust Pipe Flange Gasket
$3.00

Magnaflow
Part # 4481355
Magnaflow 2.00in. Mid-Bed O2 CA Universal Converter
$952.98

Magnaflow
Part # 50863
MagnaFlow Conv DF 03 Mazda 6 3.0 Front Manifold
$794.00

Magnaflow
Part # 452863
MagnaFlow Conv DF 03 Mazda 6 3.0 Front Manifold
$921.00

Magnaflow
Part # 51739
MagnaFlow Conv DF 03 Mazda 6 3.0 Passenger Side Rear
$450.00

Magnaflow
Part # 50864
MagnaFlow Conv DF 03 Mazda 6 3.0 Rear Manifold
$655.00

Magnaflow
Part # 452864
MagnaFlow Conv DF 03 Mazda 6 3.0 Rear Manifold
$846.00
Exhaust Upgrade for Other Mazda 6 Years
Other Jobs for Your 2004 Mazda 6
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2004 Mazda 6?
A complete exhaust upgrade on the 2004 Mazda 6 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 2004 Mazda 6?
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 Mazda 6?
These parts are listed for the 2004 Mazda 6 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 Mazda 6?
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 Mazda 6?
The cost of a exhaust upgrade for the 2004 Mazda 6 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.
