BBK Performance 16431 Shorty 2.75" Mid X-Pipe w/Cats for 05-10 Ford Mustang V6

2005-2010 FORD MUSTANG V6 2-3/4 SHORT MID X PIPE WITH CATALYTIC CONVERTERS The X-pipe is designed to be used with BBK long tube headers. Part # 1643 / 16430 These BBK short x-pipes are designed from 2-3/4" mandrel bent stainless steel tubing with high flow catalytic converters for maximum exhaust flow. The X-pipe features rear oxygen sensor bungs in the factory location making installation a breeze. Not only is this X-pipe required to finish your long tube header install, it further improves exhaust flow, increasing horsepower, torque and throttle response. High Flow Catalytic Converters For Maximum Flow - For Use With BBK long Tube Headers Part # 1643/16430