I have a HKS Turbo Timer was from a 02-03 WRX then to a 04-05 WRX, FS for 45 bucks. Was Installed 2 years back by The Brothers but was told I didnt need it since I was stock at the time.

I dont know if I still have the correct harness since its just been sitting in my room

call or text me @ 727 415 7371