where can i find ?

where can i find in sydney a place to replace both a exhust for a cbr 250 rr and a zx2r (which i won)? soutb west sydney around parra area?
for a good price and alot of noice jsut the tip thanks cheerz guys

the hole exhaust or just the muffler?
cause ive done my zx2r, and my mates cbr250rr. its pretty easy.

just the tip my mates cbr got a hole at the bottom of his tip and mine
i just wanna go louder how muhc?

you only need a couple of tools.
have a go ya self.

if not, i take my bike to RB racing, but there at taren point.