I have Ibiza 1.8 GTi 16v, recenty I was changed stock mainfold with sport type (Ta Technics) It is identical like supersprint model. Next week I will put fully flow exhaust from catalysator to back and catalysator is also metall, not ceramic. So now is the question what's next? I think maybe put camshafts from ABF and make a remap, or maybe just remap for now. I don't know what will I get with It (is it worth of cost). Remap is in my country about £200. Can someone tell me from first hand what is the difference before and after remap or changing camshafts (if any of you done that).