Intake & Exhaust Questions and info regarding various aftermatket exhaust systems for the G35 (Headers,Y-Pipes, and Cat-Back Systems)

350Z HR Y-Pipe vs Stock OEM Y-Pipe Video

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Old May 19, 2009 | 12:38 AM
  #1  
Jairen's Avatar
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350Z HR Y-Pipe vs Stock OEM Y-Pipe Video

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Old May 19, 2009 | 06:11 PM
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So how bout a review.
Not sure if thats what the video is (got a media filter on the network at work so I can't view the video).
Notice any diff in performance/sound?
I'm about to install mine this week.
 
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Old May 20, 2009 | 04:54 AM
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sounds definitely better, also fyi, sounds like you have a leak somewhere

Thanks
 
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Old May 20, 2009 | 02:44 PM
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ur car is making a squeeking noise.. might be a leak
 
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Old May 20, 2009 | 03:18 PM
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Double check all your bolts and make sure they're torqued properly...the extra air sound shouldn't be there.

Get this...the sound gets better when you add HFCs
 
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Old May 20, 2009 | 09:01 PM
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The squeaking was due to my belts. I just replaced them.
 
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Old May 21, 2009 | 04:23 AM
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Since they should sound very similar to begin with, it's hard to make any fair comparisons in sound since the camera was in a different position than the first video. (Yes, that does affect sound recordings).
 
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Old May 21, 2009 | 11:42 AM
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I can fully attest that the HR y-pipe does emit a deeper exhaust note. My G sedan with 05/06 midpipe and HR y-pipe is significantly louder and deeper than it was stock. I had the midpipe over 1.5 years before adding the y-pipe and the y-pipe definitely increased sound more than the midpipe.

Videos never show the true sound, especially neutral revving. The motor really needs to be under load to hear the differences.
 
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Old May 21, 2009 | 10:28 PM
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I agree with Dave. If you search for my Berk HFC thread you can hear some very good examples of the stock exhaust + HR Y Pipe + HFCs. At least you can hear the sound better since I've got some cruising clips with windows open and closed
 
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