Thread: Help! Jdm swap
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Old 08-02-2019, 10:19 PM   #4
Scooby Specialist
Member#: 273868
Join Date: Feb 2011
Chapter/Region: MAIC

wide band is a good thing , factory o2 is slow acting narrow band

you can keep your usdm ecu and ap and run with no avcs but the results are not stellar

or use the jdm ecu (that will not pass us emissions testing because the ecu will not talk to the test equipment) and get an avcs wiring kit from iwire or the like , opensource tune , no ap

plug us ecu back in for inspection time , you could opensource that as well and sell the ap

btw , If you're still on the stock turbo from your 2002 wrx , I have a cheap twinscroll setup listed in f/s here
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