The Borla rear-section exhaust for the 2013-2015 Cadillac ATS 2.0L replaces the factory rear section with a single split rear exit. It uses Borla's patented straight-through, multi-core design to increase exhaust velocity and free up power while producing the distinctive Borla Sound of Power. The system is built from premium T-304 austenitic stainless steel with ultra-smooth mandrel bends and CNC manufacturing for an accurate fit. Borla exhaust is handmade in the USA and backed by the Borla Million-Mile Warranty.
Specifications:
- System type: rear-section exhaust, single split rear exit
- Material: T-304 austenitic stainless steel
- Construction: patented straight-through multi-core, mandrel-bent, CNC manufactured
- Made in the USA
- Part number: 11844
Vehicle Applications:
- 2013 Cadillac ATS
- 2014 Cadillac ATS
- 2015 Cadillac ATS
FAQ
What vehicles does the Borla 11844 fit?
It fits the 2013 through 2015 Cadillac ATS with the 2.0L engine in RWD, including Base, Luxury, Performance, and Premium trims.
What does it sound like?
It delivers the classic Borla Sound of Power with improved exhaust flow through a single split rear exit. Borla tunes each application to enhance the tone while limiting in-cabin drone.
Is this rear-section exhaust 50-state emissions legal?
It installs behind the factory catalytic converter and does not remove emissions equipment. Borla publishes its street rear-section systems as 50-state emissions legal; confirm this part number for your state before purchase.
What is it made of and is it warrantied?
It is handmade in the USA from T-304 austenitic stainless steel and is covered by the Borla Million-Mile Warranty.

