I Am Considering Swapping Wrx Ecu And Harness Into My Gc8. The Car Already Has A Jdm Ej20 In It However I Wouldt Like To Upgrade The Ecu For Tuning And Conveniance Purposes. Please Either Try And Convince Me Not To Do This On My Own, Or Provide Me With All The Information You Can So I Can Mke This Work..
Thanks For Any Feedback