Originally Posted by mdrobc13
Hamman CF type rear diffuser. vorsteiner is nice but a little more aggressive than I wanted and costly! Tried OEM M5 painted body color but with my upgraded aftermarket (Eisenmann Race) exhaust..alignment proved to be a problem. So I went with the Haman style one from JLMotoring. Not bad, fit is pretty good.
Have you seen the agency power diffuser.its really aggressive and around 900 dollars so nearly half the price.