ask your local law enforcement officials.
i know ca is janked. pretty much anything but stock is frowned upon.
ca is branched
they have their own oil supply, own electrical grid, own gas wells, ect ect. its like they are a diff country.
or just go to the e check place and ask whats approved.
or get something thats marked as *50 state legal*
but i did loose a court case because they said mine were illegal, i brought my box that said 50 state legal, they slapped and evidence sticke on it said guilty slammed the hammer....

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i have yet to find some one else who when changing their oil ( every 2000 miles or when they get bored ) details the under side of their car.
X-C April 2010,Heads, Cam,Internals April 2011, or blown engine, witch ever comes first.
The transformation has begun!