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Here is the Module the smog machines use to hook up to the vehicle if you can find anything about ot:
http://drewtech.com/emissions/index.html

Just to update this saga. Recently someone posted that thier tuned (with HP Tuners) 2014 Caprice PPV made it through CA SMOG OK. AFM was deleted so the tune was done to delete it out.

And since...

No they are fine as long as they are based on a certain donor car and have all the original emission controls of that donor vehicle.
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I am in a similar situation with an L77 that may need a DOD delete and I am wondering about ways around it and have the same thought as you.

I have 2 directions I am researching.

1. Get a CARB...