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Old 09-26-2017, 02:51 PM   #14
Autocross Champion
Drives: mk6 gti
Join Date: Jun 2014
Location: north nj
Posts: 92
k04 will be louder than stock turbo. Stock ihi has a muffler on the turbo itself and the k04 does not. If the car is boosting correctly and no error codes I would not worry to much about it.
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