2015 Mustang GT American Racing Headers 3" X or H-Pipe Bottle Neck Eliminator Kit (For Aftermarket Catbacks)

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2015 Mustang GT American Racing Long Tube Headers With Bottle Neck Eliminator 3" Catted X or H-Pipe

(For Aftermarket Cat-Backs)

This American Racing Header's 2015 Mustang GT "Bottle Neck Eliminator" System is designed to be used with 3" aftermarket Cat-Back Exhausts to ensure maximun flow, deeper sound and increased performance! This headers  system will add more horsepower and torque to your 2015 Mustang GT VS other header brands that neck down to 2.25" when connecting to the Cat-Back section of the exhaust. 

Order your 2015 Mustang GT ARH's Bottle Neck Eliminator System from JDM Engineering today! 

Video sound clip for example purposes only. User results will vary uppon cat-back selection.


  • Merge collectors with scavenger spikes
  • Direct bolt-in catted X or H-pipe
  • 49 State Legal Ultra high-flow 200 cell metallic substrate cats (If Selected)
  • Pair of oxygen sensor extensions
  • 3” Bottle Neck Eliminator Mid-Pipe
  • All necessary clamps and hardware for installation


  • 100% leak free one-piece long tube design
  • 3/8" thick flanges with Tig-welded & hand ported inlets
  • 1-7/8" or 1-3/4" primaries to accommodate normally aspirated or supercharged applications

Product Options:

  • Catted
  • 1-7/8" or 1-3/4" Primary Tubes
  • X or H-Pipe

(Select options before checkout)

*Will require cutting of the cat-back to mate with header system.

***Please contact us directly for international shipping arrangements. 
E-mail: Sales@teamjdm.com
Phone: 732-780-0770

Additional Details

MTC5-15178300BEXWC or MTC5-15178300BEHWC
36.00 (in)
36.00 (in)
36.00 (in)

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