Quote:
Originally Posted by chris_flies
Clean build! I'm not "in" on the turbo tuning world, so what does the O2 simulator and the O2 spacer do for the performance of the car?
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noth for performance.. when u remove the cat.. the ecu seeks one.. so u put the o2 sim so it tricks the ecu into it being there..
if you don't trick it .. or code the sensor out... the ecu will throw codes .. possibly rendering perf..