hks power flow cannot be cleaned.the filter element is to be replaced with a new one.that is the only thing u can do.only k&n filter can be cleaned and reoil.:shades_smile:
Different brand wastegate create different sound?what size suitable for stock evo 7 tubo?anyone ever try Zap(brand)turbo manifold n wastegate 44mm?help me,all sifu,any other things need to notice fitting a wastegate???