I'm using these (look a like) K&N airfilters for several years now

My engine is a Visa 652 and then a original airbox is to small the motor doesn't have it's original power. The original visa airbox is to big and has lots of gadgets wich I don't want, These K&N airfilters are fine and they give maximum power.
By the way the one on the picture is a motor with LPG injection. 602cc. So its the original 2cv engine and its runs very fine with this airfilter.
You can see a little video with the airfilter here.
http://www.youtube.com/user/www2cv4x4nl ... oEY5LSovEIWhen you use thes filters you must make a connection in the filter for the hose coming from the oilfillcap (vacuum for the engine to keep the oil inside).
And yes they make more noise/great sound just what you like to hear, its the same sound like when you pick the original airfilter out of the airbox.
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Russell wrote:
Hi Geo,
you've been one of the sites biggest attractions in recent years.
Russ