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I recently installed a invidia catless dp there is no exhaust leaks and everything seemed to be running smoothly, until the check engine light came on. It running rough in cylinder 1 and 2, and it read a 1 on my cobb ap don't quite understand what the numbers mean. What could be the cause of this. I have a heat shield on the turbo but the dp is not wrapped, could it because it's too hot? My guess is no because I live in northern mn. Please comment what you think it could be.
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