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:
Do anyone convert their rear disk from drum to disk? Recently, I bought a halfcut (4G93T GDI - ralliart version) and its come with front rear disk with 5 holes 114.3 pcd but not rear.