R1S1

The thing is, a lot of us here are in the US and that engine option wasn't an option.

 

So the information from the guys on here may be limited. There are some guys who aren't stateside and have had an RS or GTB and may shed better light on this.

 

May I recommend maybe go to a subaru dealer in the area And have them cross reference ECU codes and see if they can pull more info..

 

 

Only guys on here that have the twin turbo 2 liter have swapped then and chances are they run aftermarket/standalone ECUs.

 

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Well, thats a point, that I'am from Europe and I have modified JDM subaru by changing side of the steering wheel and I asked already subaru dealer, but they know only about european models...

So I thought, that there are some more freaks like me and have the same project as mine or driving illeagal with strange-located steering wheel like British, Japaneese or Australian

Hello gents,

I have 2gen Legacy TwinTurbo and now I would like to ask which ecu produce more power and which is better. Because I have both of them, tried to swap them, but i didn't feel any difference (maybe dyno would feel smth...) And if there is a possibility to increase power by chipping them.

So my question is:

Which ecu is better (more power) and ofcourse I want to know all additional information you know about them

8C 22611 AB394 A18-000 DD0

and

T5 22611 AB391 A18-000 RS5

Waiting for your proffesional responses, thanks.