Borla 140684 ATAK Cat-Back Exhaust System for 2015-2020 Ford Mustang Shelby GT350 5.2L V8

This dual 2.75" diameter into the mufflers with dual 2.5" out of the mufflers Cat-Back™ system features the aggressive ATAK® sound. It has a Merge X-Pipe for increased performance and improved sound. BORLA®'S advanced muffler technology allows us to provide a no drone guarantee on this system. Tips NOT included, this system utilizes the factory exhaust tip/ bezels. System features valves for the Selectable Driving Mode. BORLA® Cat-Back™ and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA® Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all, BORLA® stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand. ATAK(r) Cat-Back(tm) Exhaust System For 2015-2020 Ford Mustang Shelby GT350 5.2L V8 Automatic/ Manual Transmission Rear Wheel Drive 2 Door With Selectable Driving Mode. Borla(r) System Does NOT Include Tips Use Factory Bezel/ Valance. 2015-2019 Ford Mustang Shelby GT350 5.2L V8 Automatic/ Manual Transmission Rear Wheel Drive 2 Door With Selectable Driving Mode. Borla(r) System Does NOT Include Tips Use Factory Bezel/ Valance.

Brief Description: The Borla 140684 ATAK Cat-Back Exhaust System is engineered for the 2015-2020 Ford Mustang Shelby GT350 with the 5.2L V8 engine, rear-wheel drive, two-door body, and selectable driving modes. Its aggressive ATAK sound delivers a more forceful exhaust note while retaining Borla’s no-drone guarantee. The system uses the vehicle’s factory exhaust tips and bezels; replacement tips are not included.

Performance Benefits: This exhaust system features a Merge X-Pipe to improve exhaust flow, performance, and sound quality. Borla’s patented straight-through and multi-core muffler technology helps increase exhaust velocity, supporting responsive power delivery, driving enjoyment, and efficient engine breathing. Precision CNC manufacturing and smooth mandrel-bent tubing provide reliable fitment and consistent airflow.

Construction and Fit: Manufactured from premium T-304 stainless steel, the Borla 140684 is designed to provide long-term corrosion resistance and durability beyond lower-grade stainless alternatives. Integrated valves support the factory Selectable Driving Mode, allowing the exhaust character to change with the vehicle’s operating settings. The system is designed for use with the factory valance and exhaust tip bezels. Borla backs this exhaust system with its Million-Mile Warranty.

Fitment: Fits 2015, 2016, 2017, 2018, and 2019 Ford Mustang Shelby GT350 models equipped with the 5.2L V8, automatic or manual transmission, rear-wheel drive, two-door body, and selectable driving mode. Verify vehicle configuration before ordering. This product may require emissions compliance verification depending on the installation location.

What’s Included: Borla ATAK Cat-Back Exhaust System, including the Merge X-Pipe, mufflers, exhaust tubing, integrated valves, and installation hardware as supplied by Borla. Factory exhaust tips and bezels are reused and are not included.

Features:

• Aggressive ATAK sound: Delivers Borla’s boldest exhaust character for an engaging driving experience.
• Merge X-Pipe performance: Improves exhaust flow, engine breathing, and exhaust sound quality.
• No-drone design: Borla muffler technology is engineered to provide an aggressive tone without unwanted cruising drone.
• Premium T-304 stainless steel construction: Provides excellent durability and corrosion resistance for long-term performance.
• Selectable driving mode valves: Supports the factory valve operation for adaptable sound and performance.
• Straight-through muffler technology: Promotes increased exhaust velocity and responsive power delivery.
• Precision mandrel bends: Maintains smooth internal airflow through the exhaust tubing.
• Factory tip compatibility: Uses the original exhaust tips and bezels, helping preserve the factory exterior appearance.

Fitments:
2015 Ford Mustang Shelby GT350
2015 Ford Mustang Shelby GT350R
2016 Ford Mustang Shelby GT350
2016 Ford Mustang Shelby GT350R
2017 Ford Mustang Shelby GT350
2017 Ford Mustang Shelby GT350R
2018 Ford Mustang Shelby GT350
2018 Ford Mustang Shelby GT350R
2019 Ford Mustang Shelby GT350
2019 Ford Mustang Shelby GT350R
2020 Ford Mustang Shelby GT350
2020 Ford Mustang Shelby GT350R
2020 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