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Eric
Eric, Automotive Repair Shop Manager
Category: UK Car
Satisfied Customers: 29973
Experience:  Automotive Repair Shop Manager, Technician/JA Mentor
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I got a 2011 sti engine to upgrade my wrx 2008, i have buy

Customer Question

i got a 2011 sti engine to upgrade my wrx 2008, i have buy already 2011 STI ECU , can i use wrx wiring harnee to connect 2011 STI ECU
JA: Thanks. Can you give me any more details about your issue?
Customer: i have a 2008 wrx with EJ257 , i got a engine with 6 seeds transmission from 2011 STI, to upgrade my wrx, macanic told me need engine ECU & wiring harness, can i only change 2011 STI ECU, plug in to WRX connector. or i have change a new ECU wiring harnee
JA: OK got it. Last thing — Subaru Mechanics generally expect a deposit of about $18 to help with your type of question (you only pay if satisfied). Now I'm going to take you to a page to place a secure deposit with JustAnswer. Don't worry, this chat is saved. After that, we will finish helping you.
Submitted: 9 months ago.
Category: UK Car
Expert:  Eric replied 9 months ago.

HI,

You need the 2011 wiring harness for this.