Quote:
Originally Posted by NismoZ70
What sort of testing do you have in your area? OBD, visual, sniffer, something else? Depends what you have there. We have OBD tests so people pass all the time with long tube headers as long as you're not throwing codes. As long as it's not sniffer or visual you should be fine. That's how it is here
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I was worried about this as well. So a car with these headers will pass in IL as long as no codes are thrown? . How hard is it to get rid of the check engine light with these headers?