Application Specific X-Pipes by Greyhound PerformanceFord Mustang Shelby GT500, 5.4L V8Greyhound Performance makes one of the finest quality X-Pipes on the market today. We have sold thousands of these over the years. Developed from input we have received from a multitude of Mustang speed shops, they represent an emerging power in the crossover pipe industry. Our X-Pipes merge your exhaust pulses at the X to increase scavaging, horse power and torque.2.5 in. Mandrel Bent non-restrictive tubingFor use with shorty or stock headersHigh quality 16-Guage aluminized steelSignificant increases in Horsepower and Torque 20+HPGreat SoundComes in 2 pieces for easy installationO2 Bosses in correct placeNo O2 extensions neededAll Hardware includedBacked by a 1 Year warranty against any and all Manufacturer DefectsMade in the USA**When used on automatic transmissions you must leave the bolts loose and tighten, one by one, very slowly so the shifter linkage has plenty of room. When installed in this manner, very slowly, there should be no problems with automatic transmissions.
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