Borla 11903 ATAK Axle-Back Exhaust for 15-19 Chevy Corvette C7 Z06 w/o AFM w/NPP

Vehicle Fitment

• 2015-2019 Chevrolet Corvette Z06 (C7, 6.2 L V8, RWD)
• 2017-2019 Chevrolet Corvette Grand Sport (C7, 6.2 L V8, Manual, RWD)

Fitment Notes

• Axle-back system replaces rear muffler/tailpipe section; retains factory headers and mid-pipe.
• Designed for models **without AFM valves** and equipped with NPP valves. Cannot fit AFM-equipped models.
• Quad center rear exit - verify clearance and hang-mount arrangement.

Features

• 100% T-304 stainless steel construction for maximum corrosion resistance and durability.
• Mandrel-bent 2.75" tubing with straight-through design for improved flow.
• ATAK® tunable tone -- aggressive yet engineered with "No-Drone" technology for comfort.
• Dual 4.25" polished rolled-angle intercooled tips at center exit for premium look.
• Bolt-on installation using factory hangers; no cutting or welding required.
• Backed by Borla's Million-Mile warranty for non-moving parts on the system.

Specifications

• Part Number: 11903
• System Type: Axle-Back Exhaust
• Tubing Diameter: 2.75" (69.8 mm)
• Tip Diameter: 4.25" (107.9 mm) - polished finish
• Material: T-304 Stainless Steel
• Exit Style: Quad center rear

Included Components

• 1x Complete Borla 11903 Axle-Back Exhaust System (for listed vehicle fitment)
• Mounting hardware and installation instructions

Product Description

The Borla 11903 ATAK Axle-Back Exhaust System is engineered for the 2015-2019 Chevrolet Corvette Z06 and select Grand Sport models (manual transmission, without AFM valves). Featuring premium T-304 stainless steel, mandrel-bent 2.75" tubing and dual 4.25" polished tips arranged in a quad center exit, this system delivers bold sound, performance gains and refined aesthetics. Its straight-through internal design and Borla "No-Drone" engineering offer aggressive performance character with real-world drivability.

Installation is straightforward via factory hangers, and because the system retains the original turbocharging and mid-pipe components, it fits seamlessly into the Corvette platform. The Borla 11903 comes backed by a Million-Mile warranty (non-moving parts), giving enthusiasts assurance of both quality and performance. Ideal for drivers seeking an exhaust system that enhances tone, flow and overall experience while retaining high build standards.