2012 Mazda 3 Exhaust Upgrade Parts
36 parts listed for your 2012 Mazda 3 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
(5)primary
Borla
Part # 11786
Borla 10-13 Mazda 3/Mazdaspeed 3 2.5L/2.3L Turbo FEW MT Hatchback SS Exhaust (rear section only)
$914.99
COBB
Part # 572101
Cobb 10-12 Mazdaspeed3 Gen2 SS 3in Cat-Back Exhaust
$1095.00
Magnaflow
Part # 15146
MagnaFlow 10-12 Mazda 3 L4 2.5L Hatchback Split Rear Exit Stainless Cat Back Performance Exhaust
$1199.88
Magnaflow
Part # 15557
MagnaFlow SYS C/B 10-12 Mazdaspeed 3 2.3L Turbo
$1227.90
Magnaflow
Part # 15127
Magnaflow SYS C/B 2010- Mazda 3 2.0L
$1086.54
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
Victor Reinz
Part # MS19582
MAHLE Original Ford Focus 11-04 Exhaust Manifold Set
$27.39
Victor Reinz
Part # MS19831
MAHLE Original Mazda 3 13-07 Exhaust Manifold Set
$35.53
Fel-Pro
Part # MS97052
Fel-Pro Mazda CX-7 MS 97052 Exhaust Manifold Gasket Set
$23.88
Mufflers
(27)primary
AP Exhaust
Part # 40148
Exhaust Muffler Assembly
$131.65
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 # 61593
Fel-Pro 06-15 Mazda MX-5 Miata/07-12 CX-7/13-14 CX-5 Catalytic Converter Gasket
$11.40
Fel-Pro
Part # 60512
Fel-Pro Lexus RX350 Exhaust Pipe Flange Gasket
$5.09
Fel-Pro
Part # 61569
Fel-Pro Mazda 3 61569 Exhaust Pipe Flange Gasket
$4.12
Magnaflow
Part # 5571145
Magnaflow 04-05 Mazda 3 2.3L Direct Fit Converter
$653.00
Magnaflow
Part # 5531802
Magnaflow 12-13 Mazda 3 2.0L Direct Fit Converter
$1330.00
Magnaflow
Part # 557405
Magnaflow 13in L 2.25in ID/OD CARB Compliant Universal Catalytic Converter
$393.98
Exhaust Upgrade for Other Mazda 3 Years
Other Jobs for Your 2012 Mazda 3
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2012 Mazda 3?
A complete exhaust upgrade on the 2012 Mazda 3 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 2012 Mazda 3?
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 2012 Mazda 3?
These parts are listed for the 2012 Mazda 3 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 2012 Mazda 3?
We carry exhaust upgrade parts from trusted brands including Borla, COBB, Magnaflow, Fel-Pro, and Victor Reinz. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2012 Mazda 3?
The cost of a exhaust upgrade for the 2012 Mazda 3 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.