The Borla rear-section exhaust for the 2010-2013 Mazda 3 and Mazdaspeed 3 bolts on in place of the factory rear exhaust and delivers the distinctive Borla Sound of Power with added flow. It is built with patented straight-through and multi-core technology from premium T-304 austenitic stainless steel for lasting durability and corrosion resistance. Like all Borla street exhaust, it is handmade in the USA and backed by the Borla Million-Mile Warranty. Because it installs behind the catalytic converter, this system is 50-state emissions legal.
Specifications:
- System type: rear-section exhaust (axle-back)
- Material: T-304 austenitic stainless steel
- Construction: patented straight-through, multi-core design
- Emissions: 50-state emissions legal
- Warranty: Borla Million-Mile Warranty
- Made in the USA
- Part number: 11786
Vehicle Applications:
- 2010 Mazda 3
- 2011 Mazda 3
- 2012 Mazda 3
- 2013 Mazda 3
FAQ
Which Mazda 3 models does this Borla exhaust fit?
It fits 2010 through 2013 Mazda 3 models, including the i, S, and Mazdaspeed 3 trims.
What is the exhaust made from?
It is built from T-304 austenitic stainless steel, which resists corrosion and heat better than 409 or aluminized steel.
Is this exhaust 50-state emissions legal?
Yes. It installs behind the catalytic converter and does not modify the factory emissions equipment, so it is 50-state emissions legal.
Is the Borla exhaust warrantied?
Yes. It is handmade in the USA and backed by the Borla Million-Mile Warranty.

