Quote:
Originally Posted by kevin.z
ya i wouldn't do stillen headers or gen 3. for gen 3, u dont see gain until 7000 and u will need a tune otherwise your car is too lean. it is kinda dangerous imo.
however i would get fi long tube headers and fi catback tho.
btw, when is ur z gonna be here? i think 40th anni is very very good looking.
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Not sure why the car would run lean. The Z does have wide band o2 sensors does it not? That said, the injectors should flow enough fuel for the increased air flow. I don't see much talk about O2 sensors, fuel maps, AFR, etc. Is this because the maps and related sensors can compensate for intake/exhaust mods?