W WIMSPWI Member : 2003.5 Mazdaspeed Protege Oct 2, 2010 #1 what is the difference between a P5's exhaust and an MSP's. Is it just length? I remember reading about this somewhere and can't find it. so please help. Thanks.
what is the difference between a P5's exhaust and an MSP's. Is it just length? I remember reading about this somewhere and can't find it. so please help. Thanks.
