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SKU: 140684 | UPC: 808422006842
Borla 2015-2020 Ford Mustang Shelby GT350 5.2L ATAK Cat-Back Exhaust (Uses Factory Valence)
This Borla ATAK Cat-Back Exhaust System (part 140684) fits 2015-2020 Ford Mustang Shelby GT350 5.2L V8 models with automatic or manual transmission, rear-wheel drive, and 2-door coupe body with selectable driving modes. It delivers aggressive exhaust sound through patented straight-through technology and a merge X-pipe for higher exhaust velocity, added horsepower, torque gains, and sharper throttle response. Built from T-304 stainless steel with mandrel bends for maximum flow, it retains factory valence, bezels, and tips while integrating active valves.
Key Features
- ATAK Sound Profile: Aggressive tone with heart-pounding roar at wide-open throttle, refined in normal modes via active valves for selectable driving.
- Merge X-Pipe Design: Increases scavenging for power gains up to 10+ hp/tq, smoother flow, and enhanced mid-range torque.
- T-304 Stainless Steel Construction: Premium material resists corrosion, ensures durability with all-welded assembly and Million-Mile Warranty.
- 2.75-inch Tubing / 2.50-inch Outlets: Mandrel-bent for unrestricted flow, dual split rear exit matches factory valence and tips.
- Straight-Through Mufflers: Multi-core tech unleashes hidden power, improves fuel economy, and extends engine life.
Product Notes
- Tips, bezels, and valence not included—system uses factory components for direct OEM integration.
- Street-legal, not for off-road only use; integrates with factory catalytic converters.
- Ships in protective packaging; 38 lbs product weight, 45 lbs shipping weight.
Installation Notes
- Professional installation recommended.
- Bolt-on design with precision CNC fitment; no cutting or welding required.
- Compatible with factory hangers, sensors, and active valve controls; retain OEM valence.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2020 | Ford | Mustang | Shelby GT350 |
| 2015-2020 | Ford | Mustang | Shelby GT350R |
| 2020 | Ford | Mustang | Shelby GT500 |
Why Choose Borla?
- Leaders in stainless steel exhaust since 1978, with wins in motorsports worldwide.
- Patented multi-core and straight-through designs proven for power and sound.
- Computer-controlled manufacturing for exact fit and flow on high-performance vehicles.
Frequently Asked Questions
-
Q: Does this fit 2015-2020 Shelby GT350 with active exhaust valves?
A: Yes, part 140684 retains factory valves and selectable driving modes for Quiet, Normal, Sport, and Track. -
Q: What material is used and inlet/outlet sizes?
A: Full T-304 stainless steel; 2.750-inch inlet ID, 2.500-inch outlet OD/tailpipe diameter. -
Q: What warranty covers this system?
A: Borla's Million-Mile Warranty on materials and workmanship for as long as you own the vehicle.
Shipping & Handling
- Method: UPS Freight or truck freight for dimensional weight items.
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed, dimensions 52" x 20" x 16"
- Weight: 38 lbs
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