subiemech85 Posted November 22, 2003 Share Posted November 22, 2003 What's required to pass colorado emissions? Is DADC any good, especially diesel? Quote Link to comment Share on other sites More sharing options...
the sucker king Posted November 22, 2003 Share Posted November 22, 2003 you don't have to have a cat if your car didn't come with it, but i believe the numbers you have to hit are the same. so if it runs clean enough, it will pass. what exactly are you getting at? Quote Link to comment Share on other sites More sharing options...
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