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Old 04-16-2017, 10:52 PM   #1
Scooby Guru
Member#: 32459
Join Date: Feb 2003
Chapter/Region: Tri-State
Location: NY
02 WRX VF34 (SOLD)
Junior Tuned 301whp

Default Best way to go back to stock tune

I have a 02 WRX m/t (stage 4) that I am thinking about returning back to stock.

Looks like I can get a Tactrix cable for around $120 used, then find a base map online somewhere (any suggestion where I can find free base map with 93 octane?). I am willing to spend $ for a map, but not for a base map.

2nd option is to just buy used ECU on eBay or FS, although it is a bit risky.

3rd option is to find used unmarried AP v1, although it's becoming difficult to find one. AP v1 is what I used to reflash ECU back old days, then stopped playing around with it after getting a professional tune.

If you have a choice, what would you do? Perhaps I can just get a Tactrix cable to reflash my ECU, then sell it again.

Thanks in advance.
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Old 04-17-2017, 01:24 PM   #2
Scooby Newbie
Member#: 231700
Join Date: Dec 2009
Chapter/Region: MAIC
Location: Central PA
2004 WRX Wagon


The base maps are available on Romraider for free.
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Old 05-02-2017, 01:55 PM   #3
Scooby Newbie
Member#: 437670
Join Date: Jan 2016

I would hang on to the cable after you buy it as long as you own a compatible subaru.
I just bought the "Australian version" for $150 shipped from evoscan. Couldn't find a real Tactrix cable used.

Yes you should be able to find your exact base map from someone on the internet, romraider forums or here.
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Old 05-16-2017, 01:27 AM   #4
Scooby Newbie
Member#: 453872
Join Date: Sep 2016
2005 wrx wagon


i have heard that if you ECU VIN doesn't match your chassis VIN you have problems with smog. the VIN lives in the ECU. i have a different ecu for messing around with, and the vin is form a GD subaru when i read it out with scanner. (i have a wagon, GG) apparently you cant reflash the vin you have to solder a new chip or something. so you need to keep your stock ecu and flash it. i guess if you brick your stock ECU your up a creek...
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