are you just looking for something with remote res. to keep them cool? and are the top hats at least similar? if not a new set could easily be made to make any damper and spring setup work. i would look into these
http://stance-usa.com/sus/products/coilovers/gr3way
and adapt the bottom in the rear with these
http://stance-usa.com/sus/products/chassis/diy-weld-on-damper-adaptor
and then pet a kitteh with these
http://stance-usa.com/sus/products/safety/x2-driving-gloves
then model on the car with a pair of these
http://www.cafepress.com/+subaru_sti_classic_thong,174387986
then tiger hug one of these
and thats it. presto!