dis subject is very very relative..wat works 4 me might not work 4 u...take zerocool78's twin loop 4 example..i've NEVER heard ppl say d twin loop is noisy..or prolly d fibre in it KO dy?if not,prolly u'll get a heart attack whn a DOHC VTEC come by blaring its Border 304!.. =)
IMHO,u gotta go out n test a few exos n c whc 1 u like.prolly hitch a ride in a fren's car w n exos u haf in mind.....thn only will u get d real feel....personally,4 auto B16A...nothg beats d RS*R.....2.3" mandrel bent mild steel piping w centre box n S-flow muffler....used it on my EG9 last time..results?go ask J101... =)
who was d KING back then?heheheheheh