The Borla cat-back exhaust system (PN 140315) is a direct bolt-on system for the 2009-2016 Audi A4 and A4 Quattro. Built from T-304 austenitic stainless steel with patented straight-through multi-core technology, it adds exhaust velocity for more power and the distinctive Borla Sound of Power without interior drone. Ultra-smooth mandrel bends and CNC manufacturing ensure maximum flow and an accurate fit. This system mounts behind the factory catalytic converters and is 50-state emissions legal. It is handmade in the USA and backed by the Borla Million-Mile Warranty.
Specifications:
- System type: Cat-Back exhaust system
- Material: T-304 austenitic stainless steel
- Construction: mandrel-bent tubing, CNC manufactured, patented straight-through multi-core
- Emissions: 50-state emissions legal
- Made in the USA
- Part number: 140315
Vehicle Applications:
- 2009 Audi A4
- 2010 Audi A4
- 2011 Audi A4
- 2012 Audi A4
- 2013 Audi A4
- 2014 Audi A4
- 2015 Audi A4
- 2016 Audi A4
- 2009 Audi A4 Quattro
- 2010 Audi A4 Quattro
- 2011 Audi A4 Quattro
- 2012 Audi A4 Quattro
- 2013 Audi A4 Quattro
- 2014 Audi A4 Quattro
- 2015 Audi A4 Quattro
FAQ
Does the Borla 140315 cat-back fit my Audi A4?
Yes. The verified fitment covers the 2009-2016 Audi A4 and the 2009-2015 Audi A4 Quattro.
Is this Audi A4 cat-back street legal?
Yes. It mounts behind the factory catalytic converters and is 50-state emissions legal.
What does it sound like?
It delivers Borla's Sound of Power, a refined performance note tuned to the A4 with no interior drone.
Is it made in the USA and warrantied?
Yes. It is handmade in the USA from T-304 stainless steel and backed by the Borla Million-Mile Warranty.
