selling utec becuase i am to far advanced .i am going full stand alone. the utec comes with everything it does new. all pieces are there it is fully updated to 4.2 c so it will work with 2002-2005 wrxs. it has a tuned stg 4 w/stg 4 parameters right now, but i can put the parameters for stg.1-3 and 1-3 maps back on the utec i will leave the tuned stg 4 if you decide to go there. 750 shipped p.m me or email me ,or call me if no answer leave message i will call back a.s.a.p

my email is sonicrx@sbcglobal.net
my phone 224-628-2022 (vince)

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What revision is it? The firmware version doesn't matter the hardware version does when it comes to compatibility.