Description
ExhstSysKt
The BORLA® sound of power. Its been described as asonic shot of adrenaline. An intoxicating concert ofsteel, gears and combustion that echoes from thespeedways, deserts and highways of the world.The sound of more victory laps than any otherbrand, the BORLA® exhaust note has become the quintessentioal soundtrack of high-performance motoring. And like all good automotive designs there is function behing the form. As any driving enthusiast knows, the sound of an exhaust provides more than just ear candy. Its a communications conduit between car and driver. A link between human and machine. The exhaust sound provides accoustic feedback of engine rpm to aid the driver in critical decisions such as gear selection or throttle input in rev-match shifting. At BORLA®, we understand this concept better than any exhaust manufacturer. Combining patented technology with computer modeling, extensive prototyping and advanced sound analysis tools. BORLA® engineers spend countless hours tuning exhaust systems to best reflect the personality and performance of vehicle applications. The result is an enhanced driving experience. With unrivaled clarity, the BORLA® exhaust note can help a driver stay within the powerband through a difficult section, using the exciting sensory feedback of sound. With unrivaled clarity the Borla exhaust note can help a driver stay within the powerband through a difficult section, using the exciting sensry feedback of sound.
Additional Information
ATAK(r) Cat-Back(tm) Exhaust System For 2015-2017 Ford Mustang GT/ GT Convertible 5.0L V8 Automatic/ Manual Transmission Rear Wheel Drive 2 Door.
Application Summary
2015-2017 Ford Mustang GT/ GT Convertible 5.0L V8 Automatic/ Manual Transmission Rear Wheel Drive 2 Door.
Part Type
Exhaust System Kit
Product Overview
BORLA has announced the development of a revolutionary new exhaust technology that enables their engineers to deliver unprecedented vehicle-specific control over the acoustical note of an exhaust throughout the RPM range, while retaining 100% of the power-adding capabilities of BORLA's patented Multicore design.
Called ATAK (Acoustically-Tuned Applied Kinetics), this exclusive technology (U.S. patent #5,248,859) produces the highest available dB (decibel) levels in the BORLA street-legal lineup, and is designed for high-performance purists who prefer exhaust notes over their stereos. The focus of ATAK is to pump the volume while retaining clarity of sound, at the same time avoiding the drone and distortion typically found in louder exhausts. With ATAK, the sound output is tuned like a graphic equalizer to shape and focus sound waves for optimum high-volume output.
The development of each ATAK system begins with extensive study of each vehicle's acoustical properties. The technology is based on custom-tuned attributes of the internal muffler cores, which are calibrated on a vehicle-by-vehicle basis to deliver the most desirable sound. BORLA is now shipping Cat-Back and/or Rear Section ATAK exhaust systems for a wide variety of popular applications.
Like all BORLA exhaust products, each system is handmade in the USA by master craftspeople and features premium 300-Series austenitic stainless steel construction, mandrel bending by computer-controlled CNC machinery to ensure maximum flow and a perfect fit, mirror-polished tips, and a Million-Mile Warranty
| Additional Application Notes | |
|---|---|
| • ATAK Cat-Back Exhaust System; 2.5 in. In/Out; Incl. Connecting Pipes/Mufflers/Hardware; 4 in. Single Round Rolled Angle-Cut Tip; Single Split Rear Exit; 2.5 in. In/Out Tubing; Incl. Connecting Pipes/Mufflers/Hardware; 4 in. Single Round Rolled Angle-Cut Tip; Single Split Rear Exit; | |
| • Convertible; ATAK Cat-Back Exhaust System; 2.5 in. In/Out; Incl. Connecting Pipes/Mufflers/Hardware; 4 in. Single Round Rolled Angle-Cut Tip; Single Split Rear Exit; 2.5 in. In/Out Tubing; Incl. Connecting Pipes/Mufflers/Hardware; 4 in. Single Round Rolled Angle-Cut Tip; Single Split Rear Exit; | |
| • Convertible; ATAK Cat-Back Exhaust System; 2.5 in. In/Out; Incl. Connecting Pipes/Mufflers/Hardware; 4 in. Single Round Rolled Angle-Cut Tip; Single Split Rear Exit; | |
These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.
Data: v2 - Desc: v4.2 - Upd: 2026-11-07 17:22:14
Features
Important Notice relating to US Domestic Market Trucks & Pickups
Many US-market trucks and pickups are available in multiple cab and bed-length configurations (e.g., Single Cab, Extended Cab, Double/Crew Cab, CrewMax, 5.5ft/6.5ft/8ft beds, etc.). Exhaust system fitment can vary between these chassis versions.
Where available, we list all compatible vehicles, cab types, and bed lengths in the product description. However, depending on your exact configuration, some systems may require optional extension/mid-pipes or minor modification for correct fitment.
Because of these variations, please carefully check your cab configuration and bed length before purchasing. If you are unsure, or if your vehicle has been modified, please reach out to a StreetFX agent.
(keyword: cat-back)Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Product Details
| Construction: | All Welded |
| Description: | Cat-Backâ„¢ ATAK System |
| Exhaust Type: | Cat-Back(tm) System |
| Exit Position: | Split Rear |
| Exit Style: | Single Split Rear Exit |
| Grade Type: | Performance |
| Inlet Inside Diameter: | 4.000 in. |
| Inlet Size (in.): | 4 |
| Material: | T-304 Stainless Steel |
| Muffler Type: | Straight-Through |
| Off Road Use Only: | No |
| Outlet Outside Diameter: | 4.000 in. |
| Outlet Size (in.): | 4 |
| Part Number: | bor140591 |
| System Type: | Cat Back |
| Tail Pipe Diameter: | 2.500 in. |
| Tail Pipe Material: | Stainless Steel |
| Tip / Outlet Finish: | Bright Chrome On T-304 Stainless Steel |
| Tip Diameter: | 4 in. |
| Tip Size: | 4.0in |
| Title Extended: | Mustang GT 2015-2017 Cat-Back(tm) Exhaust System ATAK Part # 140591 |
| Title: | 2015-2017 Ford Mustang GT Cat-Back(tm) Exhaust System ATAK |
| Tubing Diameter: | 2.500 in. |
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Borla, Borla Exhaust |
| StreetFX SKU | bor140591 |
| SFX Item ID | 4225235 |
| Accounting SKU | bor-140591 |
| Manufacturer SKU | 140591 |
| Manufacturer UPC | 808422405911 |
| Alternative References | 140591, BOR-140591 |
Exhaust System, ATAK, Cat-Back, Stainless Steel, Natural, Split Rear Exit, Ford, 5.0L, Kit
Borla 140591 ATAK Cat-Back exhaust system contains a merge X-pipe for increased performance and improved sound, and features bright chrome on T-304 stainless steel tips and Borla’s patented multi-core and ATAK technology.
Borla’s patented multi-core technology is designed to unleash hidden horsepower, while ATAK enables vehicle-specific control over the acoustical note of your exhaust. The increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive “Sound of Power” respected by motoring enthusiasts everywhere. Each system is CNC-machined from premium T-304 stainless steel with ultra-smooth mandrel bends to ensure maximum flow and power, an accurate fit, and the best in performance and durability. Best of all, Borla stands behind every system--just what you’d expect from the world’s most experienced (and most winning) exhaust brand.
| Product Attributes | |
|---|---|
| UPC | 808422405911 |
| Brand | Borla |
| Tip Cut | Slant |
| Quantity | Sold as a kit. |
| Part Type | Exhaust Systems |
| Tip Shape | Round |
| Tip Finish | Polished |
| Exhaust Type | Dual in/Dual out |
| Product Line | Borla ATAK Cat-Back Systems |
| System Style | Cat-back |
| Tip Included | Yes |
| Tip Material | 304 stainless steel |
| Tip Quantity | 2 |
| Exit Location | Split rear |
| Muffler Style | Turbo |
| System Finish | Natural |
| Inlet Quantity | 2 |
| Muffler Finish | Natural |
| Tip Edge Style | Rolled edge |
| System Material | 304 stainless steel |
| Muffler Included | Yes |
| Muffler Material | 304 stainless steel |
| Muffler Quantity | Two |
| Hardware Included | Yes |
| Special Attention | It is illegal to install parts or components that bypass, defeat, or render inoperative the manufacturers’ technology and design necessary to reduce vehicle emissions to meet state and federal Clean Air Act standards. |
| Muffler Configuration | Single inlet/Single outlet |
| Tip Outlet Size (in.) | 4.00 |
| Tailpipe Diameter (in.) | 2.50 in. |
| Manufacturer's Part Number | 140591 |
| Catalytic Converter(s) Included | No |
| Intermediate Pipe Diameter (in.) | 2.50 in. |
Brochures
Compatibility
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