Quote:
Originally Posted by MJBO
Curious about the modded stock muffler, not sure where to get it done if I went that route. Anyone spotting this thread had it done in Melbourne?
I haven't but as noted above it seems popular.
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i went to my local exhaust guy and showed him some pics. its self explanatory. you just have to choose what noise level you want. there are 4 pipes inside. 2 have a lot of perforations and the other two smaller amount of perforations.
i used this for info...
https://www.exhaustmods.co.uk/e92-m3-exhaust-mod