Borla
Borla 11751 05-09 Mustang 4.0L V6 AT/MT RWD 2dr SS Exhaust (rear section only) - #11751
Borla 11751 05-09 Mustang 4.0L V6 AT/MT RWD 2dr SS Exhaust (rear section only) - #11751
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Borla 11751 05-09 Mustang 4.0L V6 AT/MT RWD 2dr SS Exhaust (rear section only)
BORLA® Performance Industries offers a slick bolt-on performance upgrade for the popular 2005-09 Ford Mustang V6 4.0L. BORLA® has an impressive heritage of Mustang exhausts, from the Grand-Am Champion Ford Racing Mustangs to the Hot Cobra R. The long list of Ford legends who have relied upon BORLA® for their street and race cars includes Roush, Gentilozzi, Steeda, Saleen, Maffucci, Mihovetz, Bondurant and Shelby. BORLA® has built many Mustang V6 project cars and considers the Mustang one of their prime muscle cars.
The R&D staff dove into the V6 and created a superbly tuned Axle-Back exhaust (PN 11751) that exhibits solid double-digit horsepower numbers from the 2.5” diameter exhaust. The system delivers the classic S-Type sound with no drone inside the vehicle. The exhaust exits thru a single 4" round, rolled, angle cut BORLA® embossed bright chrome on T-304 stainless steel tip. As usual, the BORLA® system is created with computer numerical control (CNC) mandrel bent, lightweight, durable, aircraft grade high quality T-304 austenitic stainless. Demonstrating an impressive 724cfm, it‘s an amazing 346cfm increase which accounts for the dramatic power gains along with subsequent mileage improvements. BORLA® backs up this – and all their street car exhausts – with an industry leading no-strings Million-Mile Warranty.
Bottom line is BORLA® gives you a lot of reasons to upgrade your six-shooter, from over 1/3 lighter, more power, more torque, better mileage, lifetime warranty, exciting look and legendary BORLA® growl.
BORLA® the original pioneers of high quality,T-304 austenitic stainless steel (superior to 409 or aluminized steel) free-flow exhaust utilizes patented award and race winning technology to deliver quality, sound, performance gains and enhanced fuel economy — all with an easy bolt-on installation and backed by an unsurpassed written Million-Mile Warranty.
Fitment
- 2005-2009 Ford Mustang (V6)
- Manufacturer Part Number: 11751
CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Image is for reference only; actual product may vary by application.
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Manufacturer's Warranty — Borla
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Manufacturer's Warranty — Borla
Borla exhaust systems are backed by Borla's Million-Mile Warranty against defects in materials and workmanship. Excludes EV-specific components, coatings, and moving/wear parts.
Warranty terms are set by the manufacturer and may change. Full details and claims are handled directly by Borla. Contact us if you need help with a warranty claim.

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