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Magnaflow Competition Series Cat-Back (05-09 GT/Bullitt/GT500)

Original price was: $944.49.Current price is: $844.23.


Magnaflow Competition Series Cat-Back Performance 3″ Dual Exhaust for 2005-2009 Mustang GT, 2008 Bullitt, and 2007-2009 GT500.



Out of stock

SKU: MAG16674 Categories: ,


About the Magnaflow Competition Series Cat-Back

Made in the USA from 409 stainless steel, Magnaflow’s Competition Series performance exhaust is designed to provide your 2005-2009 Mustang GT, 2008 Bullitt, or 2007-2009 Shelby GT500 maximum performance with an aggressive exhaust note to match.


Magnaflow’s Competition Series cat-back features their straight-through flow design to maximize horsepower and torque while maintaining exhaust efficiency. Magnaflow’s dyno test on the Competition Series Cat-Back revealed a gain of horsepower and torque at the wheels.

The Competition Series is constructed of 3″ mandrel bent tubing, two tubular straight-through flowing mufflers, and features two polished 4″ stainless steel tips to give your Mustang the perfect look from behind. This quality construction and design is further backed up with Magnaflow’s Lifetime Construction Warranty.

This system is a direct bolt-on to your Mustang’s factory mid-pipe and will require no modification to mount up.


The Competition Series Cat-Back features a Stainless Steel construction with two 4″ dia. polished Stainless steel tips.

Will it Fit?

This system is designed to fit all 2005-2009 Mustang GT, 2008 Bullitt, and 2007-2009 Shelby GT500.


  • Mandrel bent 3″ stainless steel tubing
  • Deep muscle car sound
  • 5 in x 5 in x 14 in Muffler size
  • 4″ Polished Tip Diameter

What’s in the Box?

(2) Muffler assemblies (Driver and Passenger)

(2) Inlet Pipes (Driver and Passenger)

(2) 3″ Band Clamps


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