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Post by scott88lss on May 21, 2013 8:14:41 GMT -6
has anyone used a flowmaster 40 deltaflow  |
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Post by oldsfan on May 20, 2017 20:06:46 GMT -6
Yes, I have the Flowmaster deltaflow mufflers on my 98 classic, with gutted converter and the metal extensions on the o2 sensors. It sounds great with a nice rumble at idle and throaty growl at acceleration with pretty much no cabin noise or annoying drone. And no trouble codes also.
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