The perfect complement to our Loud Mouth™ or PowerFlo™ axle-back exhaust systems, these PowerFlo-X™ Crossover Pipes use free-flowing mandrel-bent tubing and a genuine X crossover to provide a significant horsepower increase over the restrictive stock cat pipes. They're available with high-flow catalytic converters and feature SLP's exclusive three-piece "modular" design for unparalleled versatility and ease of installation. NOTE: Includes detailed instructions and all required installation hardware. Photo may not show all included parts. Not legal for use on pollution-controlled motor vehicles. FEATURES: Exclusive three-piece "modular" design makes it possible to upgrade to SLP Long-Tube Headers without purchasing a new X-pipe Includes band clamps for easy interchangeability of cats Equipped with a true X-pipe crossover, not a poor-flowing clamshell imitation Constructed entirely from mandrel-bent stainless steel Equipped with factory O2 bungs (where applicable) Fits 2010 Mustang GT 500 models