The Borla S-Type cat-back exhaust system for the 2014 to 2018 Mazda 3 delivers Borla's aggressive S-Type sound and exits through polished T-304 stainless steel tips in a single split rear exit. Borla cat-back and axle-back systems use patented straight-through, multi-core technology to free hidden horsepower while adding exhaust velocity, driving excitement, fuel economy, and the distinctive Borla Sound of Power. Each system is built from premium T-304 austenitic stainless steel with ultra-smooth mandrel bends and CNC precision for an accurate fit. Borla exhaust is handmade in the USA and backed by the Borla Million-Mile Warranty. As a street cat-back system it is 50-state emissions legal.
Specifications:
- System type: cat-back exhaust
- Sound level: S-Type
- Material: T-304 austenitic stainless steel
- Construction: all-welded, mandrel-bent, patented straight-through multi-core
- Exit style: single split rear exit
- Tips: polished T-304 stainless steel
- 50-state emissions legal
- Made in the USA
- Part number: 11918
Vehicle Applications:
- 2014 Mazda 3
- 2015 Mazda 3
- 2016 Mazda 3
- 2017 Mazda 3
- 2018 Mazda 3
FAQ
Which Mazda 3 models does this fit?
It fits 2014 through 2018 Mazda 3 with the 2.0L and 2.5L engines, across Sport, Touring, and Grand Touring trims.
Is this exhaust street legal?
Yes. As a street cat-back system it is 50-state emissions legal.
What does the S-Type sound level offer?
S-Type is Borla's aggressive mid-tier sound level, adding a sportier note over stock while remaining street-friendly with minimal cabin drone.
What is the exit style and where is it made?
The system uses a single split rear exit with polished T-304 stainless steel tips. Borla exhaust is handmade in the USA and backed by the Borla Million-Mile Warranty.
