utec stage 4 map and stage 4 tmi map the same?
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03-18-2003, 10:12 PM
2002 WRB WRX Wagon
I talked to the folks at TurboXS about it and Phil told me they are exactly the same because the base map is so rich, that with the extra boost (less pressure loss) from the TMIC, you're still running relatively rich. -Bolster
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