Originally Posted by Peter J
So it is still a bit of a mystery.

If you discover more, happy to hear it.
Originally Posted by Helfinger
Do you think there is any benefit in adding an upgraded air filter?

Not really, but it's not the most expensive part of the process. So I did it. K&N in my case.


2010 Violet Aero Supersports | 2012 Green Vantage S Roadster