if you don't track your car, why even get some high performance shocks? IMHO no need for Koni's, just get a set of replacement shocks. I would get the cheapest one. If a set of OEM shocks come handy why not just go for it? I would even buy a used, not worn shocks to save money. no need to consider Tien's and all that hot stuff for your daily driver. And there are lots of better coilovers out there than Tien's.