hi turismo,jason here,yourself and your dad got the v spec off me.
great to hear he has got stuck in and has lots done.
now your looking for a k+n filter,there ok,but ive even better a apexi filter with proper adapter to afm and heat shield and mounting kit.
dont have the pipe,and as the others say there noise.
your dad said you would be intrested in strut braces,ive both under bonnet and rear cockpit braces.
got a good few trick items if needed,short shift gear kit,jackson induction kit,momo race steering wheel mint and the best.
sure give me a buzz on 086 895 30 80 for a chat,and you or your dad can drop up and look,buy
have those 15inch wheels also,could do a bulk buy deal
jay