Quote:
Originally Posted by 2011 Nismo#91
If the main issue is not being able to disable the O2 sensor then this isn't so big of an issue I think people are making it out to be. For a while now a lot of states didn't allow you to pass emissions with a emissions sensor disabled. NJ I know first hand, mini cats work, and are very inexpensive now days. Prosport has one and I've used bigdaddiesgarage.com and they worked.
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This is something more along the lines that Husam/Seb/Eugene/etc. should answer, but from my take: It's not only the O2 sensors, it's also the Evap and possibly the modification of the "OBD tables outside of OEM min/max parameters" (or whatever it says) that could potentially seriously limit the ability of a tuner to tune a vehicle, especially a boosted one.