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Old 07-20-2012, 12:34 AM   #65 (permalink)
sloboi
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Quote:
Originally Posted by SmallermouseZ View Post
What kind of buzzing are you talking about?
Apparently certain HFC/Cat combos cause a buzz/rattle to emanate from the exhaust system at down revs--esp. at 4th gear and around 3-4k RPM.

Search 370Z HFC buzz and you'll find a bunch of forums discussing it.
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