Originally Posted by focusZX505
stock is 1 7/8th not 2.25. doing what you are planning will not gain any HP don't wanna be a dick but please don't cheap out and think youll gain any HP do it right or don't do it at all
oh i'm not thinking of doing it. just a random thought i got at the time. if i were to do it it'd only be for sound, not performance.