MREV2 Lower intake with 5/16 plenum spacer

The G-Series Tuning Forum is the place to discuss G35/G37 performance modifications and mechanical repair.
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jonnom130
Posts: 15
Joined: Sun Aug 07, 2016 2:06 pm
Car: 2006 Infiniti G35 sedan

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I notice a raspy rattling sound during certain RPM ranges from the engine bay after installation of intake and plenum spacer. Also, installed headers and HFCs. No exhaust leaks or anything. I just get a ricey sound as mentioned. Any comments on what it could be?

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RED_DET
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Car: 2004 6 speed G35 Sedan, 2011 G37x, 1992 Nissan Sentra SE-R SR20DET, C7Z06
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Could be the HFC's.
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jonnom130
Posts: 15
Joined: Sun Aug 07, 2016 2:06 pm
Car: 2006 Infiniti G35 sedan

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Thanks. It does sound like it's coming from the exhaust.
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