Borla 11905 ATAK Axle-Back Exhaust System for 2015-2019 Chevrolet Corvette C7 Z06 and Grand Sport

This Axle-Back system doe NOT have AFM valves but is equipped with NPP valves. This system features the aggressive ATAK(r) sound and exits through 4.25" polished T-304 stainless steel tips. 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. Million Mile Warranty 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

Brief Description: The Borla 11905 ATAK Axle-Back Exhaust System delivers an aggressive, performance-oriented exhaust note for select 2015-2019 Chevrolet Corvette C7 Z06 and 2017-2019 Corvette Grand Sport models. Designed for vehicles without AFM valves and equipped with NPP valves, this system uses Borla's patented straight-through and multi-core technology to improve exhaust flow, throttle response, and driving excitement. The system exits through polished T-304 stainless steel quad tips for a clean, high-performance appearance.

Performance and Construction: Built from premium T-304 austenitic stainless steel, the Borla 11905 is engineered for long-term durability and resistance to corrosion. Ultra-smooth mandrel bends help maintain consistent exhaust velocity, while computer-controlled manufacturing supports precise fitment. Borla's ATAK sound profile provides a bold, aggressive tone while retaining the refined quality expected from a Corvette-specific exhaust system. This axle-back 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 not covered by the Borla warranty.

Key Product Specifications and Technical Data:
Brand: Borla
Part Number: 11905
System Type: Axle-back exhaust
Sound Level: ATAK aggressive sound profile
Material: T-304 austenitic stainless steel
Valve Configuration: NPP valves included; AFM valves not included
Outlet Configuration: Quad polished T-304 stainless steel tips
Vehicle Application: Chevrolet Corvette C7 Z06 and Grand Sport
Drive Configuration: Rear-wheel drive, two-door applications

What's Included: Borla ATAK axle-back exhaust components, NPP-compatible exhaust valves, polished quad exhaust tips, and installation hardware as supplied by the manufacturer. Professional installation is recommended to help ensure proper alignment and valve operation.

Fitment: Fits 2015-2019 Chevrolet Corvette C7 Z06 with the 6.2L V8 and automatic or manual transmission. Also fits 2017-2019 Chevrolet Corvette C7 Grand Sport with the 6.2L V8 and manual transmission only. Applications must be without AFM valves and with NPP valves. Always verify the vehicle's original equipment valve configuration before ordering.

Features:

• ATAK Sound Profile: Produces Borla's aggressive, high-performance exhaust tone for an enhanced driving experience.
• NPP Valve Compatibility: Designed for Corvette applications equipped with NPP valves and without AFM valves.
• T-304 Stainless Steel Construction: Premium austenitic stainless steel provides excellent durability and corrosion resistance.
• Mandrel-Bent Performance Design: Smooth bends and straight-through, multi-core technology support efficient exhaust flow and performance.

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

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