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Hissing/Rattling noice after HFC

The hiss is common on these VQ37 engines, especially with HFC installed. You just gonna have to get used to it or put your catalytic converter back on.

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		Nissan 370Z Forum > Nissan 370Z Tech Area > Engine & Drivetrain > Intake/Exhaust
Hissing/Rattling noice after HFC

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1 Post By littlejuanito
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07-16-2018, 02:26 PM	#2 (permalink)
littlejuanito Track Member Join Date: Jul 2014 Location: Sherman Oaks, CA Posts: 812 Drives: 2014 Touring Sport Rep Power: 420	The hiss is common on these VQ37 engines, especially with HFC installed. You just gonna have to get used to it or put your catalytic converter back on. JLarson likes this.

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