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Thread: Intake 2011
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Old 03-10-2013, 07:48 PM   #2
Focus Jr. Enthusiast
Join Date: Mar 2013
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Location: Southgate, MI
What I Drive: 2006 sonic blue zx5

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You could check the catalyst sticker under the hood. Should say it there. My 06 says its a ulev (ultra low emissions vehicle) and is legal for sale in California. Or if you can see behind the motor, the exhaust manifold would have 3 o2's if its a pzev I believe.
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