Hey guys

i am in the process of completing some breathing mods on my car...
intake, dump pipe and bigger TMIC...with stock turbo for the time being.

i have thought about just fully resetting the ECU???

Is there a way my fuel ratios can be controlled with out having to get a new ecu...just a mild fuel tune to prevent leaning out???

Dont know if what i ask makes sense, but yeah any feedback appreciated..

Thanks guys

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MY04 WRX CLUBSPEC 7