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Trouble passing Smog?...Nitrogen Levels to high
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[QUOTE]Originally posted by mtbaughs: [QB] [QUOTE]Originally posted by 90FoX: [qb] [QUOTE]Originally posted by TheBrain: [qb] NOx levels go DOWN when the engine is running rich So if your car is running "fat" then you would not have failed NOx If anything your car is either lean or the EGR system is not working Put 91 octane in your tank prior to getting your car smogged. It may cause a slight increase in HC and CO, but your NOx level will go down What smog tech told you that you need 4 cats to pass but didn't visually fail your car for an illegal x-pipe ?!?!?! Good Luck Brian [/qb][/QUOTE]i think that the x pipe is 50 state legel i dont remember thought..ill check with bassani [/qb][/QUOTE]nope its not a carb certified part or 50 state legal though many pass with it on the car [/QB][/QUOTE]
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