C7 Corvette Z06 Borla ATAK 11903CB with NPP Exhaust (2015-2019)

Borla ATAK Axle-Back Exhaust for C7 Corvette Z06 with NPP (11903CB)

Borla ATAK 11903CB is the axle-back for 2015–2019 C7 Corvette Z06 owners who want an aggressive ATAK sound while keeping NPP dual-mode valve functionality. This version adds a stealthier finish with intercooled ceramic black tips, giving the rear a darker, high-contrast look without changing your factory valve behavior.

Borla 11903CB Product Details

• System type: Axle-Back
• Sound level: ATAK (aggressive)
• Fitment focus: C7 Z06 WITH NPP valves (retains NPP); system is built without AFM valves
• Engine: LT4 (Z06)
• Pipe diameter: 2.75"
• Exit: Quad center rear exit
• Tips: Dual 4.25" round intercooled T-304 stainless tips on each muffler (quad total) with high-temp ceramic black finish
• Construction: Premium T-304 stainless steel, mandrel-bent
• Upgrade path: Add Borla X-Pipe 60548 to create a Cat-Back system
• Warranty: Million-Mile Warranty for non-moving parts; exhaust valves covered for 1 year (OE AFM/NPP actuator failures are not covered)

Why Z06 Owners Choose ATAK 11903CB (Street Builds)

• More bite and volume than stock while keeping the NPP valve function
• ATAK sound character with a no-drone sound strategy designed for in-cabin comfort
• Ceramic black tips deliver a darker rear finish that looks right on a Z06
• Quad center-exit layout keeps the factory-inspired C7 rear styling

What to Expect After Installation

• Stronger sound presence when you roll into the throttle
• A sharper, more aggressive exhaust note than stock
• Factory-style valve behavior retained through the NPP setup

Corvette Compatibility

• Fits 2015–2019 Chevrolet Corvette C7 Z06 with NPP dual-mode valves (Coupe or Convertible).
• Transmission: Automatic or Manual (Z06).
• Also listed for: 2017–2019 C7 Grand Sport with NPP, manual transmission only.

What Corvette Owners Say

“Aggressive when you want it, and the valves still work like stock. The black tips finish the rear perfectly.”

Ready to upgrade? Order the Borla ATAK 11903CB today and give your C7 Z06 a louder, sharper voice with the ceramic black tip finish—while keeping the factory NPP valve functionality.