I have a 2012 Mitsubishi lancer sportback gt with a 4b12 2.4l motor.i found a 2.0l catback exhaust system,its a 2.5inch down pipe and a sound reducer and a shotgun barrel style muffler with 3 inch barrels but its for 2.0l 4b11,can I make this work on a 4b12?please tell me I am in the middle of no where.