HKS SQV4 Dumpvalve Kit - GR YarisHKS SQV4 Dump valve kit for GR Yaris Can be used either as "open to atmosphere" or recirculating with suction return kit. See both pictures. All parts supplied with HKS vehicle specific fitting kit HKS changed the intercooler charge pipe for the outlet side to the casting aluminum made pipe compared to the resin made stock ones. This prevents expansion or damage to the pipe due to age deterioration. Coordinate your engine bay stylishly with the