hey people, wondering if i can get some help? put k+n induction kit on a 1.5 16v 54 plate almera and noticed that when in 2nd-3rd-4th-5th gears under 2000rpm car is totally gutless feels like massive flat spot ,when reachs 2000+pulls good. put factory filter system back in and car feels fine, putting induction back in when i suss out what is wrong,anybody ??