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This Borla axle-back exhaust system is built for the verified 2014-2019 Chevrolet Corvette Stingray application listed below. Select it by exact manufacturer part number 11863CB and confirm the full engine, drivetrain, body, wheelbase, factory-exhaust, and Borla application notes before ordering.
Key Features
- T-304 Stainless Steel Construction: Premium material with mandrel bends for maximum flow, durability, and resistance to corrosion over premium T-400 series alternatives.
- Ceramic Black T-304 Tips: 4.25-inch quad center-exit tips with high-temperature finish for striking style and heat resistance.
- Precise Fitment: CNC-manufactured for bolt-on installation, 2.75-inch tubing to dual 2.0-inch outlets, includes AFM valves (no NPP).
- ATAK Sound Technology: Provides the most aggressive exhaust note for heart-pounding throttle response and distinctive motorsport roar recognized by enthusiasts.
- Multi-Core Technology: Enhances exhaust velocity for gains in power, torque, fuel efficiency, and engine longevity without sacrificing refinement.
- Designed for vehicles without NPP valves; includes AFM valves. Not for Grand Sport models with manual transmission.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2014-2019 | Chevrolet | Corvette | Stingray |
| 2015-2019 | Chevrolet | Corvette | Z06 |
| 2017-2019 | Chevrolet | Corvette | Grand Sport |
| 2019 | Chevrolet | Corvette | ZR1 |
Specifications
| Manufacturer | Borla |
|---|---|
| Manufacturer Part Number | 11863CB |
| Product Type | Axle Back |
| Sound Profile | ATAK |
| Inlet or Outlet Size | 2.75in, 2.0in, 4.25in |
| Fitment Type | Vehicle specific, verify the complete application |
What's Included
One new Borla product identified by manufacturer part number 11863CB. Clamps, hangers, gaskets, tips, pipes, tools, and companion parts are included only when expressly listed for this exact part number.
About Borla
Borla develops stainless-steel exhaust systems, mufflers, tips, pipes, and related components for vehicle-specific and universal performance applications. Product selection remains exact-application and exact-part-number specific.
Related Borla Products
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Browse the Borla collection for related exhaust systems and components.
Frequently Asked Questions
Will this Borla part fit my 2014-2019 Chevrolet Corvette Stingray?
That application is listed, but confirm the engine, drivetrain, body or cab style, wheelbase, factory exhaust layout, tip opening, and every Borla application note before ordering.
Will this change require an engine tune?
A cat-back, axle-back, tip, muffler, or post-catalyst component usually does not require tuning, but confirm the exact application, emissions configuration, oxygen-sensor locations, and local requirements before installation.
What should I inspect before installation?
Check the shipping carton and components against the exact part number, then inspect clamps, hangers, gaskets, mating flanges, clearances, tip alignment, and required reused factory hardware before removing the original exhaust.
Installation Instructions
Follow the current Borla instructions and vehicle service information for this exact part number. Let the exhaust cool, support the vehicle safely, compare all parts before removal, protect sensors and wiring, use the specified clamps and torque values, align all joints and tips without preload, confirm body and suspension clearance, check for leaks, and retorque after the first heat cycles. Professional installation is recommended.
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