Stainless Works Mustang GT 1-7/8" Long Tube Headers W/ Catted X-Pipe (2011-2014)

$497.24 (30%)
2011-14 Mustang GT headers with 1-7/8 primary tubes, 3 X-Pipe, 3 diameter lead pipes and high flow catalytic converters that mate to the factory connection point.
Part Number: 983 SM11HCATX
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2011-14 Mustang GT headers with 1-7/8" primary tubes, 3" X-Pipe, 3" diameter lead pipes and high flow catalytic converters that mate to the factory connection point. Tig welded 304 SS headers with 3/8" thick flanges and 3" dia slip fit collectors with merge spikes. This system replaces the factory manifolds, catalytic converters and H-Pipe with a superior performing 24 month guaranteed bolt-on system.

Product Benefits

  • Aggressive muscle car sound
  • High-flow catalytic converters included
  • Increases horsepower and torque
  • Made in the USA

Warning: Not approved for sale in California or states that require a California E.O. #. 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.

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.

CA Residents: Cancer and Reproductive Harm WARNING

Fitment & Features


Manufacturer: Stainless Works

Installation Information:

Tools Required: Basic Shop Tools
Level of Difficulty: Medium

Vehicle Fitment:

Fits Model Year: 2011, 2012, 2013, 2014
Mustang Model: GT
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