Originally Posted by
1-PD
due to have a very free flowing exhaust I needed a decent fast flowing filter which is what made me go away from paper, but I will give the pipercross a go and see how its pans out in comparison to the k&n, as for the airline yeah of course but every few weeks was getting tedious
Have you tested the OEM setup to see if it poses any restriction ?
Most modern cars flow very well, over and above what the engine needs, plus you get the added bonus of proper cold air feeds.