Yeah, you just need to run new handbrake cables from a GTi corolla. the GT-S levin is as far as I've been told too short (or was it too long cant remember). Then again unless you really need to upgrade the braking, I'd skip the rear disk installation, too many hassles. If you drive in snow the drums will be more reliable, too many hassles with the handbrake system on them as its not like the normal ones that have a "small drum" inside the disk itself, these use the caliper to clamp it to the disk. Therefor the handbrake will be lot weaker than the drum one (no more easy drifting

) and it will get stuck in winter time, just a matter of time.