06-12-2010, 11:55 AM
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#23 (permalink)
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Enthusiast Member
Join Date: Jul 2009
Location: Pinellas County Florida
Posts: 348
Drives: 09' 370z MB 6spd
Rep Power: 16
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Quote:
Originally Posted by djpathfinder
Yeah, it definitely shouldn't sound like that (your youtube vid). We're assuming no damage was done to the exhaust manifolds or engine mounts while removing the stock cats? Did you visually inspect for any loose packing material/mesh inside the cats before installing?
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We tried to shake the whole pipe including the hfc and it is pretty solid. Yup I visually inspected the new cats before installation, everything was ok.
Quote:
Originally Posted by Mike
i was talking about the brace that is in front of the back wheels. the pipes go over the brace.
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No Mike, nothing is hitting against something. The hfc including the midpipe just shakes at just 1800 rpm. Other rpm range is ok though. As soon as I passed by at that rpm range it vibrates/shakes the pipes.
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