Is the smog AIM stuff just for the Calif. bikes or are all the wr450's the same

Do you guys know if the Aim smog stuff is just on the Calif. model or do all the wr450's come with it?

I am guessing you meant AIS. I don't know when for sure, but I believe it was only on CA bikes until 05 then it applied to all. Someone may have the exact dates for you.

The Air Induction System (AIS) was first installed on the 2005 model 450WR and is incorporated on the 2006 model as well. It is on all 450WR motorcycles 2005 and subsequent sold in the 50 states.

Thanks guys. I appreciate it.

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