Description
This 2.75″ diamter Axle-Back system does not have AFM valves but is equipped with NPP valves. The system delivers the aggressive ATAK sound with no drone inside the vehicle.
Product details
By adding Borla X-Pipe 60548 you can create a Cat-Back system for your Corvette. The system features a durable high-temperature ceramic black finish on dual 4.25″ round intercooled T-304 stainless steel tips on each muffler. Borla’S C7 Corvette Axle-Back exhaust systems are covered under our Million-Mile Warranty for non-moving parts, the exhaust valves are warrantied for 1 year.
Failures of original equipment AFM and NPP actuators are not covered by the Borla warranty
Key features
- Patented straight-through, multi-core design to release hidden horsepower
- Faster exhaust flow for more power and the distinctive Borla sound
- Built from T-304 stainless steel, tougher and longer lasting than 409 steel
- Smooth mandrel bends and CNC manufacturing for full flow and an accurate fit
- Backed by the Borla Million-Mile Warranty
Fitment
- 2015-2019 Chevrolet Corvette Z06 (C7) 6.2L V8 Automatic/ Manual Transmission/ 2017-2019 Corvette Grand Sport (C7) 6.2L V8 Manual Transmission only Rear Wheel Drive 2 Door without AFM Valves with NPP Valves
- Part number: 11903CB
Please note: Other tip finishes and versions of this system are also available. Contact us if you need a different option.
Full specification: Borla ATAK Axle-Back Exhaust System For 2015-2019 Chevrolet Corvette Z06 – Dual Round Rolled Angle-Cut Intercooled Ceramic Black Tips
Supplied or fitted by Motorsport and Performance
We supply and fit Borla exhausts at our Leeds workshop. Want it done properly? Get in touch and we’ll book your car in, or help you check fitment before you order.

