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Steeda Mustang High Flow X-Pipe w/ Cats - 11-14 GT/Boss

Our Price $549.95
Market Price $611.95  
You save $62.00 (10%)

Manufacturer  Steeda Autosports

515-1112GT
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  • Product Description
  • Installation Info
  • Mustang Fitment

Steeda X-Pipe with high flow catalytic converters for the 2011 and newer Mustang GT's is a direct bolt-on replacement for the factory piece. Increase exhaust flow and relieve some back pressure for increased power. Gains of up to 10 hp.

Features mandrel bent tubing for optimal flow and stainless steel construction for long life.

Note: Custom tuning recommended.

Warning: This part has been designed and is intended for off-road application only. Installation of this part on a vehicle that is driven on public roads may violate U.S. and Canadian laws and regulations.

Product Benefits

  • Increase exhaust flow
  • Relieves exhaust back-pressure
  • Adds power and sounds great!

Note: Federal and several state and provincial laws prohibit the removal, modification or rendering inoperative of any part that affects emissions or safety on motor vehicles used on public streets or highways. Steeda Autosports assumes no liability for any violations arising out of any federal, state or provincial emissions or safety requirements on motor vehicles arising out of the customer’s modifications and/or use of Steeda products. It is the responsibility of the customer to determine if their modified vehicle complies with applicable laws.

This limited warranty is the only express warranty applicable to Steeda Autosports products. Other rights may arise or vary from state to state in the United States. Steeda is not responsible for any time for which you may lose the use of your vehicle, any inconvenience you might be caused, the loss of your transportation or any part thereof, or any other incidental or consequential damages you may have.

Time to Install
About 1 1/2 Hours
Level of Difficulty
Tech Recommended
Tools Needed
Basic Tools
Model Year(s)
2014 2013 2012 2011

Model(s)
GT Boss

Transmission(s)
Manual Automatic

Product Reviews

Frees up some hp while still retaining the cats, so you don't get that smell when going catless. Free shipping as well.

Bolts right in and makes your car sound like a beast!

This x is quality. It bolts right in and had no leaks first try. my only complaint is that it did not come with any bolts to connect it to the headers. I used the bolts from my old cat delets.