odin,
GReddy meter each has their own control unit. My set comes complete with everything. Locations are either Cheras Makro, USJ1 or Wangsa Maju :regular_smile:
I am driving a Cefiro A31 with RB20 Turbo Skyline GTS engine. Currently I have upgrade my exhaust to 3" from front to back, K&N air-filter, boost controller. Might be mod my side Intercooler to FMIC. Then...