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ToolFan66 · 03-28-2013, 07:24 PM

Question for you Colorado folks..

I am looking at KOOKS full exhaust. Do I need the green cats to pass emissions in this state?

Or can I just go with hi-flo cats and get a tune and still pass emissions?

I only ask because when I called KOOKS the guy said I need the green cats in the state of Colorado to pass.. I'm calling BS..

Thanks!!

03-28-2013, 07:24 PM	#8016
ToolFan66 Drives: 2011 2SS 6.2L W/RS package Join Date: Jan 2011 Location: Colorado Posts: 3,008	Question for you Colorado folks.. I am looking at KOOKS full exhaust. Do I need the green cats to pass emissions in this state? Or can I just go with hi-flo cats and get a tune and still pass emissions? I only ask because when I called KOOKS the guy said I need the green cats in the state of Colorado to pass.. I'm calling BS.. Thanks!! __________________ KooKs LT Headers, Borla S-Type cat back, RotoFab CAI, Bo White PTB, RMCR tune...