Borla 11903CB ATAK Axle-Back Exhaust for 15-19 Chevy Corvette Z06/Grand Sport C7

Vehicle Fitment

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

Fitment Notes

• Axle-back system replaces rear muffler and tailpipe section only.
• System does NOT include AFM valves but is equipped with NPP valves.
• Designed for vehicles without Active Fuel Management (AFM) valves.
• Use with optional Borla X-Pipe 60548 to create a full cat-back system.

Features

• Premium T-304 stainless steel construction for maximum durability.
• Mandrel-bent 2.75" tubing for improved exhaust flow and power gains.
• ATAK® series delivers aggressive, performance-oriented sound with built-in "No-Drone" technology.
• Dual black ceramic-finished 4.25" rolled angle-cut intercooled tips for an aggressive rear exit look.
• Bolt-on installation using factory hangers and mounting points -- no cutting or welding required.
• Covered by Borla's Million-Mile warranty for non-moving parts, backed by manufacturer confidence.

Specifications

• Part Number: 11903CB
• Series: ATAK Axle-Back Exhaust
• Tubing Diameter: 2.75"
• Tip Diameter: 4.25" (dual rolled-angle cut, black ceramic finish)
• Material: T-304 stainless steel
• Exit Style: Quad center rear exit

Included Components

• 1x Complete Borla 11903CB axle-back exhaust system
• Installation hardware and instructions

Product Description

The Borla 11903CB ATAK Axle-Back Exhaust System is engineered for the 2015-2019 Chevrolet Corvette Z06 and select Grand Sport models. Designed to replace the factory rear section with high-flow mandrel-bent tubing and quartz-black ceramic finished tips, this system enhances both sound and performance. With the bold ATAK tonal signature and "No-Drone" design, it offers a race-inspired exhaust note for enthusiasts while maintaining road-friendly composure.

Built from premium T-304 stainless steel and backed by Borla's Million-Mile warranty, this system is as durable as it is performance-focused. Installation is straightforward using factory mounts and hangers. Whether you're after more aggressive sound, improved flow, or an upgraded rear exit aesthetic, the 11903CB is a top-tier choice for C7 Corvette Z06/Grand Sport owners looking for both style and substance.