The Borla Over-Axle Mid-Pipes are 2.75in diameter pipes used with a Borla X-Pipe and select Borla axle-back systems to complete a cat-back exhaust. They route over the rear axle behind the factory catalytic converters and are built from premium T-304 austenitic stainless steel, superior to T-400 series materials such as 409, with ultra-smooth mandrel bends for maximum flow and precision CNC manufacturing for an accurate fit. They are handmade in the USA and backed by Borla's Million-Mile warranty.
Specifications:
- System type: Over-axle mid-pipes (cat-back component)
- Pipe diameter: 2.75in
- Material: T-304 austenitic stainless steel
- Construction: mandrel-bent, CNC-manufactured, bolt-in
- Installation: routes over the rear axle, behind the factory catalytic converters
- Use with: Borla X-Pipe and select Borla axle-back systems
- Made in the USA
- Part number: 60521
Vehicle Applications:
- 2011 Ford Mustang
- 2012 Ford Mustang
- 2013 Ford Mustang
- 2014 Ford Mustang
FAQ
What does this fit?
It fits 2011-2014 Ford Mustang GT, 2012-2013 Boss 302, and 2011-2012 Shelby GT500 with the 5.0L and 5.4L V8.
What are over-axle mid-pipes for?
They connect a Borla X-Pipe to a Borla axle-back system to complete a cat-back exhaust, routing over the rear axle behind the factory catalytic converters.
Does it keep the factory catalytic converters?
Yes. These are cat-back components that install behind the factory catalytic converters, which are retained. Emissions and street legality depend on the complete exhaust system and the state where it is installed, so verify requirements for your vehicle.
What diameter and material is it?
They are 2.75in diameter pipes built from premium T-304 austenitic stainless steel, superior to T-400 series materials such as 409, with mandrel bends and CNC manufacturing for an accurate fit.
Where are they made and are they warrantied?
They are handmade in the USA and backed by Borla's Million-Mile warranty.
