The Borla cat-back exhaust system upgrades the 2012-2016 BMW 328i and 2016 428i with the 2.0L turbo engine and features a dual left rear exit. Borla cat-back systems use patented straight-through, multi-core technology to free hidden horsepower, increasing exhaust velocity for added power, driving excitement, efficiency, and the distinctive Borla Sound of Power. Each system is built from premium T-304 austenitic stainless steel, with ultra-smooth mandrel bends for maximum flow and CNC-manufactured parts for an accurate fit, and is backed by the Borla Million-Mile Warranty. This system mounts behind the factory catalytic converter and is 50-state emissions legal. Borla exhaust is handmade in the USA.
Specifications:
- System type: Cat-back exhaust system
- Material: T-304 austenitic stainless steel
- Construction: fully welded, mandrel-bent, straight-through multi-core muffler
- Exit style: dual left rear exit
- Emissions: 50-state emissions legal
- Warranty: Million-Mile Warranty
- Made in the USA
- Part number: 140509
Vehicle Applications:
- 2012 BMW 328i
- 2013 BMW 328i
- 2014 BMW 328i
- 2015 BMW 328i
- 2016 BMW 328i
- 2016 BMW 428i
FAQ
What vehicles does the Borla 140509 cat-back fit?
It fits 2012-2016 BMW 328i and the 2016 BMW 428i with the 2.0L turbo engine.
Is the Borla 140509 cat-back legal in all 50 states?
Yes. It mounts behind the factory catalytic converter and is 50-state emissions legal.
What is the exit configuration?
It is a dual left rear exit.
What is the system made from?
It is built from premium T-304 austenitic stainless steel with mandrel-bent, straight-through construction for maximum flow and durability.
Is it made in the USA?
Yes. Borla exhaust systems are handmade in the USA and backed by a Million-Mile Warranty.
