hey guys so ive had my 2008 buell xb9 lightning for about two months now and ive been haunting the threads for lots of exhaust info and i just cant make up my mind... i think i might get the jardine rt1 purley for price but would like some more hand on reviews, also will i have to remap the ecm(also lookign into k&n airfilter btw)? i know the issue has been covered alot but would greatley appreciate some replies