Originally Posted by VictorH
They are very effective for the stock calipers too. I've used them the past two years and have been lucky enough to find minimally used pads from other former M3post members. They are quite pricey but the durability and performance is quite good. Perf Friction has a new 08 compound that they claim is very durable (their most durable pad material) but is not available for stock calipers yet.
PFC 08 is available front/rear for stock calipers here in Europe. More bite compared to RS29 :-)