Subaru Impreza GC8 & RS Forum & Community: - View Single Post - 2.5RS Engine swap to EJ203 SOHC non turbo
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Old 02-08-2017, 04:59 AM  
Car: 02 Bugeye STI & 03 Forester XS
Fav Mod: Spec C EJ207
Join Date: May 2006
Location: Kalamazoo, MI
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Posts: 4

So I am thinking of doing this swap myself on my 2003 Forester. What I don't quite understand is if you get the EJ201/203 ECU along with the engines? The tuning is different between them, but nobody talks about swapping out the ECU's.

Last edited by kayen; 02-08-2017 at 06:07 AM..
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