Optimize your exhaust flow with a Pacesetter Performance Y Pipe. Y pipes have been shown to deliver more power and a more powerful sound from your Mustang. The part number for this item is 82-1128 and it fits 2005-2010 Ford Mustang V6 4.0 models. THIS MIDPIPE IS DESIGNED TO BE USED WITH PACESETTER LONG TUBE HEADERS PART NUMBER 70-3236