I use shintronics, booster straps, installed bts dgss and other acronymed spring system, installed stiffer tongues, step in heels, one cuff stiffer than the other, put stickers of naked girls with big boobs on them. but these are my boots. They're pretty awesome
They won't be intec compatible. So you better be ready to shell out for totally new bindings or at the very least, heel and toe bails. $chaching$