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This Borla cat-back exhaust system is built for the verified 2013-2014 Ford Mustang Shelby GT500 application listed below. Select it by exact manufacturer part number 11831 and confirm the full engine, drivetrain, body, wheelbase, factory-exhaust, and Borla application notes before ordering.
Key Features
- Dual Split Rear Exit Design: Features 4-inch polished T-304 stainless steel angle-cut rolled-edge tips, 12 inches long, for motorsport-inspired styling.
- T-304 Stainless Steel Construction: Ensures durability with mandrel-bent 2.75-inch tubing, flawless welding, and resistance to corrosion for long-term performance.
- Straight-Through Muffler Design: Boosts exhaust flow for measurable gains in power, torque, and efficiency without drone.
- ATAK Sound Technology: Provides the most aggressive exhaust note for 2013-2014 Shelby GT500, with a pure pony car roar that turns heads at every rev.
- Direct bolt-on replacement for stock axle-back section; no cutting or welding required.
- Over 40 years as the pioneer in stainless steel performance exhaust systems.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2013-2014 | Ford | Mustang | Shelby GT500 |
Specifications
| Manufacturer | Borla |
|---|---|
| Manufacturer Part Number | 11831 |
| Product Type | Catback |
| Sound Profile | ATAK |
| Position | Rear |
| Fitment Type | Vehicle specific, verify the complete application |
What's Included
One new Borla product identified by manufacturer part number 11831. 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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- Borla 14-15 Camaro SS 6.2L V8 RWD Single Split Rr Exit ATAK Exhaust (rear section only)
- Borla 09-14 Dodge Challenger R/T 5.7L RWD 2Dr. 2.5in. ATAK CB Exhaust - Dual Split Rear Exit
Browse the Borla collection for related exhaust systems and components.
Frequently Asked Questions
Will this Borla part fit my 2013-2014 Ford Mustang Shelby GT500?
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.
Borla
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