hi bro, i also want super silent setup......if can do like stock sound lagi bagus.... dont want loud sound...

1) can install this muffler on persona manual?
2) if can, can u change the tip to bigger twin or single tip?
3) how much the cost?

i got 4-2-1 extractor already.......juz wan to find a longer bullet (dont know how long is good for silent n reduce fc) and s-flow muffler (silent as possible)......

pls advice.....thanks