Best I've used is Matt humphris ram induction taken from the grill
I don't have any flat spots on my 1.4My gf is running this on hers she won't let me have it back though, it makes a nice bellow and it does relieve the flat spots.
I'll get it back one day im sure.
I sort of understand thatMore air means you can fit more fuel into the combustion chamber without it running rich, so you get a bigger bang. Bigger bang = more power. But it's a bit more complex than just having a bigger, more free flowing filter. Moving air has momentum for one which has an enourmous effect on how much air ends up in the cylinders through the rev range.
I sort of understand that
Need a few more yyyyyyy's in that one skymeraYou must have studied science in school wayyyy back in the day?