Ckelley9724
07-27-2010, 12:35 AM
I have a 99 6.5 TD and i was wondering if i would gain more from straight piping it or leaving muffler on it?
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IamDave0887 07-27-2010, 12:44 AM I highly recommend that you read the 6.5TD FAQs. The FAQs are here ---> http://dieselplace.com/forum/showthread.php?t=53309 | ||