Mustang Pypes After Cat X-Pipe | 11-14 GT by Pypes

Mustang Pypes After Cat X-Pipe | 11-14 GT

Improve exhaust flow and tone while maintaining the factory catalytic converters on your 2011-2014 Mustang GT with this after cat x-pipe from Pypes!

Item #PYP-XFM45

Everyday Low Price: $254.75

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  • Increases Horsepower
  • Improves Exhaust Flow
  • Maintains Factory Emissions
  • Retains Factory Catalytic Converters


  • 3" Mandrel Bent Tubing
  • Merged "X" Crossover Design
  • 409 Stainless Steel Construction
  • Reduced To 2.75" For Factory Exhaust

 What's in the Box

  • (1) After Cat X-Pipe
  • Installation Instructions

2011-14 Mustang GT Pypes After Cat X-Pipe
Maintain the factory catalytic converters while increasing horsepower, exhaust flow, & tone with this after cat x-pipe from industry leader, Pypes! Featuring a mandrel bent 409 stainless steel construction and a merged "x" crossover, this x-pipe will improve your Coyote engine's performance without altering emissions! Unlike the competitors, Pypes utilizes 3" diameter tubing and reduces it down to 2.75" in the rear to hook up to the rest of your factory exhaust. This x-pipe reuses the factory exhaust clamps and requires no cutting or welding for a bolt-in installation. Pypes' unique design retains the use of the factory catalytic converters to allow a free-flowing 50 state legal performance exhaust!

Fitment Note
  • This x-pipe will fit factory or aftermarket shorty headers with the stock catalytic converters installed.

  • Fits 2011-2014 Mustang GT

    Pypes Exhaust Warranty - Click Here

    • Ford Mustang - 2011, 2012, 2013, 2014
    • Sub Models: GT

    California Residents:
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    About This Brand

    If you're working on a Latemodel Mustang, Pypes' innovative products, and superior quality allow you to make your exhaust purchase with absolute confidence that you are getting the best materials, best fit and best value available anywhere. Pype's aftermarket performance exhaust components give your Mustang more horsepower and torque while adding a great new exhaust tone. These x-pipes, h-pipes, headers, and cat back kits are direct fit and 100% bolt on, making installation quick and easy.
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