a geezer named 'fran' on uk mk4 site has done about all easy mods you can to the 1.8 na engine like we both have richy, hes got a fancy induction kit, full hiflow cat stainless system(miltek) i think, and a remapp or chip, its taken his crank ouput igure to 148bhp i think from a standard 125bhp, so a quite good gain i think, ive started noticing mine pulls much better now with the k+n induction kit on, so exhaust is next for me then maybe some remapping??, im gonna contact 'fran' meself to find out what stuff he had done and where
Gaz