Quote:
Originally Posted by Gaz64
If you are having an emission test, they will most likely want to inspect your full exhaust system including placement of O2 sensors and monitor the data of ALL 4 O2 sensors on the dyno.
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Not in NSW.
I passed without post cat O2s. You just have to pass the IM240 (think that has been mentioned a few times in this thread already) - they dont even look at the exhaust at the test station. Had a performance tune, pod intake, stock cats. Scraped in, but a pass is a pass.