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exhaust quite turbo

  1. 6.4 Motor Problems
    I currently own a 08 6.4 with a 5" magnaflow exaust straight piped. ive had 2 I the past with a 5" diamond eye turbo back straight pipe. I bought this truck with the exhaust already on it. As of right now, it has no noticeable problems at all, turbos spool fine, it is just quite. I thought...
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