Hi can any one help me i want to get a better sound out of my 08 streetbob but want to try and keep the stock muffler if i can.

so im thinking of drilling a 15mm hole through the middle of the muffler . has any done this and will it work and wat sound will i get from doing this

fxdbob

Thanks for that do you know wear i can go and have a look at supertrapp mufflers in perth wa

Try SuperCycle at Osbourn Park, everytime I have been in Perth the guys have always been helpful and can source about anything

 

ok thanks for that i will give them a go

what sound better suppertrapps or rush slip-on's 09 fat bob? i have no power commander etc. totally stock 670km's. how do i get the best fuckin' sound i can?