Borla 11903CB ATAK Axle-Back Exhaust System with Black Quad Tips for 2015-2019 Chevrolet Corvette C7 Z06 and Grand Sport

This Axle-Back system does NOT have AFM valves but is equipped with NPP valves. This system features the aggressive ATAK(r) sound and exits through durable high-temperature ceramic black finish on 4.25" intercooled T-304 stainless steel tips. Systems with polished T-304 stainless steel tips and carbon fiber tips are also available. Borla(r) Cat-Back(tm) & Axle-Back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla(r) Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 austenitic stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Borla(r)'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(r) warranty ATAK Axle-Back Exhaust System 2015-2019 Chevrolet Corvette (C7) Z06 6.2L V8 Automatic/ Manual Transmission/ 2017-2019 Grand Sport 6.2L V8 Manual Transmission ONLY Rear Wheel Drive 2 Door WITHOUT AFM Valves With NPP Valves. 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.

• System does NOT have AFM valves, but does have NPP valves
• For 2017-2019 Grand Sport fits Manual Transmission ONLY

Upgrade your Chevrolet Corvette C7 with the Borla 11903CB ATAK Axle-Back Exhaust System, engineered for drivers who want an aggressive exhaust note, improved exhaust flow, and premium long-term durability. This system is designed for 2015-2019 Corvette Z06 models with the 6.2L V8 engine and 2017-2019 Grand Sport models equipped with a manual transmission. It is compatible with rear-wheel-drive, two-door applications featuring NPP valves and does not include AFM valves.

The ATAK sound profile delivers Borla's distinctive Sound of Power through straight-through and multi-core technology designed to reduce restriction and increase exhaust velocity. The system exits through durable black ceramic-coated, intercooled T-304 stainless steel tips for a clean, performance-oriented appearance. Borla also offers this system with polished stainless steel or carbon fiber tip options, subject to application and configuration.

Built from premium T-304 austenitic stainless steel, the Borla 11903CB system offers superior corrosion resistance compared with lower-grade stainless steel alternatives. Ultra-smooth mandrel bends help maintain consistent exhaust flow, while precision CNC manufacturing supports an accurate fit. The system is covered by Borla's Million-Mile Warranty for non-moving components; exhaust valves are covered for one year. Original-equipment AFM and NPP actuator failures are excluded from Borla warranty coverage.

Fitment: 2015-2019 Chevrolet Corvette C7 Z06, 6.2L V8, automatic or manual transmission; 2017-2019 Chevrolet Corvette C7 Grand Sport, 6.2L V8, manual transmission only. Rear-wheel drive, two-door models with NPP valves. Verify vehicle configuration before ordering.

What's Included: Borla ATAK axle-back exhaust system with black ceramic-coated stainless steel tips and installation components.

Features:

• ATAK Sound Profile: Produces an aggressive, performance-focused exhaust tone with Borla's signature Sound of Power.
• NPP Valve Compatibility: Designed for applications equipped with NPP exhaust valves and without AFM valves.
• Premium T-304 Stainless Steel: Provides excellent corrosion resistance, strength, and long-term durability.
• Black Ceramic-Coated Tips: Includes durable, high-temperature black-finished intercooled exhaust tips for a distinctive appearance.

Fitments:
2015 Chevrolet Corvette Z06
2016 Chevrolet Corvette Z06
2017 Chevrolet Corvette Grand Sport
2017 Chevrolet Corvette Z06
2018 Chevrolet Corvette Grand Sport
2018 Chevrolet Corvette Z06
2019 Chevrolet Corvette Grand Sport
2019 Chevrolet Corvette Z06

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1