TEIN Tein Street Basis Coilovers for 2015 Subaru STI Tein Street Basis (Basic) Coilovers for 2015 Subaru STIPart#: GSSB0-1USS2 TEIN Street Basis Damper is the evolution of the popular BASIC coilover model. It incorporates new internal and external components, newly developed coatings and new... MSRP: $650.00 Was: Now: $599.00 Choose Options