Borla 11831 ATAK Axle-Back Exhaust System for 2013-2014 Ford Mustang Shelby GT500

Since mid-1964, Mustang has always been about muscle, looks, and loads of customization options. BORLA’s lineup for the Mustang Shelby GT500 lives up to this legacy, with systems to meet a wide variety of performance goals and budgets. Responding to the high-output exhaust needs of the Shelby GT500, BORLA engineers developed these specially-tuned systems with performance and great sound in mind. For Mustang Shelby GT drivers who won’t settle for anything less than unbridled performance with a pure, pony car growl, BORLA has this aggressive ATAK Axle-Back system. The system delivers the great BORLA sound with no drone inside the vehicle. All of BORLA’s Mustang Shelby GT500 systems feature high-quality T-304 austenitic stainless steel construction, ultra-smooth mandrel-bent 2.75" tubing into the mufflers and dual 2.5" out of the mufflers, flawless welding from master craftsmen, mirror-polished 4" diameter angle-cut 12" dual T-304 stainless steel tips with rolled edges on each muffler assembly. From the dimensions and perforation patterns of the inner cores to the amount of composite filament packing, all specifications of the mufflers in our systems are tuned on a vehicle-by-vehicle basis for an optimum blend of performance and sound. Combined with distinctive motorsport styling, easy bolt-on installation and enhanced fuel economy, BORLA the world’s most winning exhaust continues to lead the industry it founded over 40 years ago. Best of all, its covered by BORLA's million-mile warranty. ATAK Axle-Back Exhaust System 2013-2014 Ford Mustang Shelby GT500 GT 5.8L V8 Manual Transmission Rear Wheel Drive 2 Door. Million Mile Warranty 2013-2014 Ford Mustang Shelby GT500 5.8L V8 Manual Transmission Rear Wheel Drive 2 Door.

Upgrade the sound and performance character of your 2013-2014 Ford Mustang Shelby GT500 with the Borla 11831 ATAK Axle-Back Exhaust System. Designed for the 5.8L V8 with manual transmission and rear-wheel drive, this rear-section-only system delivers an aggressive, unmistakable pony-car growl while helping maintain a comfortable cabin environment with no unwanted drone.

Engineered specifically for the Shelby GT500, the system uses premium T-304 austenitic stainless steel for long-term durability, corrosion resistance, and a high-quality appearance. Smooth mandrel-bent tubing helps maintain consistent exhaust flow into specially tuned mufflers, while the dual rear-exit configuration and polished stainless-steel tips provide distinctive motorsport styling. Borla tunes its muffler internals, perforation patterns, and composite packing for each vehicle application to balance performance, sound, and drivability.

Installation is designed as a convenient bolt-on replacement for the factory rear exhaust section, making it an effective way to personalize the GT500 without replacing the complete exhaust system. The mirror-polished, angle-cut tips with rolled edges complete the appearance and complement the Mustang’s factory styling. This system is backed by Borla’s Million-Mile Warranty. Professional installation is recommended. This product is not CARB approved and may not be legal for use in all emissions-controlled applications; verify local requirements before installation.

Key Product Specifications & Technical Data

• Brand: Borla
• Part Number: 11831
• Product Type: ATAK axle-back exhaust system
• Vehicle Application: Ford Mustang Shelby GT500
• Engine Application: 5.8L V8
• Transmission Application: Manual transmission
• Drive Configuration: Rear-wheel drive
• Construction and Finish: T-304 stainless steel with polished dual rear-exit tips

What's Included

• Axle-back exhaust rear section assemblies
• Installation hardware as supplied by Borla
• Borla Million-Mile Warranty coverage

Fitment: 2013-2014 Ford Mustang Shelby GT500, 5.8L V8, manual transmission, rear-wheel drive, two-door coupe.

Features:

• Aggressive ATAK Sound: Delivers Borla’s bold, performance-oriented exhaust tone while minimizing interior drone.
• Premium Stainless-Steel Construction: Uses durable T-304 austenitic stainless steel for corrosion resistance and long service life.
• Vehicle-Specific Muffler Tuning: Internals, perforation patterns, and composite packing are tuned for the Shelby GT500’s performance and sound characteristics.
• Bolt-On Axle-Back Design: Replaces the factory rear exhaust section for a straightforward installation and distinctive dual rear-exit styling.

Fitments:
2013 Ford Mustang Shelby GT500
2014 Ford Mustang Shelby GT500

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1