I've seen tyrepac before but their prices seem to be rather shit. Fully aware of the 4 digit code to check for manufacture since one of the first set of tires I bought, the dealer gave me a good deal on "new" tires that were manufactured almost 3 years ago. Those things basically didn't have any grip after a year. A lot of fun for sliding around the bends but not so much when emergency braking.
Went to the place recommended in kwun tong. There's like 3 shops there and most of them didn't have much stock and few choices. Will call up some shops tomorrow to see if any better luck.