do 1997 california d90s have extra smog stuff?

[tomken]

Do all 1997 d90s have same emission equipment or do the california have extra?

[rover4x4]

my guess would be yes

[Joe P]

I just bought my D-90 in OR. I brought it into CA and it passed SMOG with flying colors.

[wicks]

Mine was from WV originally...so I might assume that they are all 50-state equipped if that has relevance to your question.