ok so after a lot of searching I've settled on the sound I want for my exhaust. only prob is that the cat back system I want was only ever made for the R50non s.

Magnaflow 15741#

anyone know if this can fit an R56 non s? or what would be required to make it work?

I'm temped to just buy it take it to a local shop and say make this work please. I'm not too worried about cost.