No worries at all - It is a Completely valid question.
Here is the product link.
K&N 69-7078TS Air Intake, Intake Kits
On further inspection it appears that the model number 69-7078TS is approved in CA based on what year Z you are installing it into. So 2014 and earlier and you should be fine.
Vehicle Applications for K&N Part 69-7078TS
"Some Typhoon Air Intakes are not legal for use in California and other states adopting California emission standards while others are CARB exempt and 50 state legal. Check the K&N catalog or website vehicle parts search for specific CARB status."
Hope that helps. Let me know if you have any other questions.