Fellow GA 86's.
I believe if you remove Cats, your Emmisions system will show "not ready" in the OBD2 monitor...
Then, if you use the EVAP soleniod line for boost control, that is a second system that will show "Not ready"....
So how do you get around this in GA? (Having two systems not ready for OBD2 yearly test)
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ATL BRZ