ok ive bought an oil catch can and upon fitting i thought id do bit of reshearch 2 ssee what was the best way to fit it. i ended up on TGTT on a forum, and ther seems to be 4-5 diff ways in fitting them.. open to the atmosphere, sealed with breather on the can and more! if anybody has one fitted if they could post a pic or say/show which is the best way to be fitted cheers p.