check out my thread here:
http://www.subaruforester.org/vbulletin/f68/ferodo-ds3000-bad-street-27027/
unfortunately, they are not cheap if bought new and it's almost impossible to find a set used. i love mine, way better than the wilwood 4-pots. i love being able to go from my 17inch non-winter rims to my 16inch winter rims with no fuss!
http://www.subaruforester.org/vbulletin/f68/ferodo-ds3000-bad-street-27027/
unfortunately, they are not cheap if bought new and it's almost impossible to find a set used. i love mine, way better than the wilwood 4-pots. i love being able to go from my 17inch non-winter rims to my 16inch winter rims with no fuss!