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Old 06-08-2017, 12:50 PM   #51
hotlap


 
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Drives: 20 1LE 2SS M6 Rally Green
Join Date: Mar 2014
Location: Franklin WI
Posts: 6,637
Quote:
Originally Posted by rontammy0 View Post
There are very few cai on the market that require a tune. I not sure why this one would.
The description says...
Quote:
The tune/re-calibration is to allow the mass air flow sensor to adjust to the increased amount of airflow from the new intake. This intake must be tuned or you will have a check engine light.
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