Ford Racing Connecting Pipes M-5251-MGTA These Ford Racing X-Pipes convert your factory H-pipe into a more efficient X-pipe. They require cutting the factory exhaust for installation, and clamp on with no welding required! Made of stainless steel, these pipes will give you years of great performance. X-PIPE KIT MGT 2011-14 Ford Racing 2011-2014 Mustang GT X-Pipe