What I meant is that your diffuser designed for square 550i tail pipes, there is a similar diffuser style but for M5 tail pipes. Both diffusers have the same aggressive style with fins, but the M5 one have larger openings in the corners to fit round tail pipes better than 550i style (really makes the difference if you go with larger dia. tail pipes like 3.5"+). So that's why I was wondering why you went with 550i style.
Quote:
Originally Posted by Anzafin
I wanted a bit more aggressive looking diffuser than the oem M5 diffuser.
- Antti -
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