The Borla ATAK axle-back exhaust system for the 2015 to 2019 Chevrolet Corvette C7 Z06 and Grand Sport delivers Borla's most aggressive ATAK sound and exits through 4.25 inch intercooled T-304 stainless steel tips finished in a durable high-temperature ceramic black. This system does not have AFM valves but is equipped with NPP valves. For 2017 to 2019 Grand Sport it fits manual transmission only. Borla cat-back and axle-back systems use patented straight-through, multi-core technology to free hidden horsepower while adding exhaust velocity, driving excitement, 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. As a street axle-back system it is 50-state emissions legal. Non-moving parts are covered by the Borla Million-Mile Warranty and the exhaust valves carry a one-year warranty; failures of original equipment AFM and NPP actuators are not covered.
Specifications:
- System type: axle-back exhaust
- Sound level: ATAK
- Material: T-304 austenitic stainless steel
- Construction: all-welded, mandrel-bent, patented straight-through multi-core
- Tips: quad 4.25 inch intercooled, ceramic black finish
- Has NPP valves; does not have AFM valves
- For 2017 to 2019 Grand Sport, fits manual transmission only
- 50-state emissions legal
- Made in the USA
- Part number: 11903CB
Vehicle Applications:
- 2015 Chevrolet Corvette
- 2016 Chevrolet Corvette
- 2017 Chevrolet Corvette
- 2018 Chevrolet Corvette
- 2019 Chevrolet Corvette
FAQ
Which C7 Corvettes does this fit?
It fits 2015 through 2019 Chevrolet Corvette C7 Z06, and 2017 through 2019 Grand Sport with manual transmission only. It has NPP valves but no AFM valves.
Is this exhaust street legal?
Yes. As a street axle-back system it is 50-state emissions legal.
How does ATAK compare to other Borla sound levels?
ATAK is Borla's most aggressive sound level, louder than the Touring and S-Type tiers, with a bold wide-open-throttle tone.
What are the tips and warranty?
The system exits through quad 4.25 inch intercooled T-304 stainless steel tips in a ceramic black finish. Borla exhaust is handmade in the USA, with a Million-Mile Warranty on non-moving parts and a one-year warranty on the exhaust valves.
