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Thanks for both your quick replies.
I received my tactrix cable yesterday, and last night, i started with a friends 05 wrx, and flashed it with a stage 2 xpt tune. Everything worked out fine, using the bets ecu flash. Then I decided i would try the FRS. I read the rom, no issue, and then I wrote the stage 1 OTS map. The whole process took less than two minutes on the FRS. The only thing I thought was weirg, on the WRX I had an option to test write the ecu. The FRS had no test write option. The FRS was B00C, So i decided to stay with that rom for now.
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