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Old 03-01-2012, 04:52 PM   #24 (permalink)
Shadax
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Join Date: Mar 2011
Location: Camarillo, CA
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Drives: 2010 370z 6MT
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Quote:
Originally Posted by kielbasa16 View Post
If its a hiss on deceleration, when you let go of the gas, then this is perfectly normal. Modifying any component of the 370Z exhaust has this effect, particularly the cats. If you hear it when revving up, when accelerating then you could have a leak.
Huh. I think I actually do hear it when accelerating.

How can I absolutely determine if there's a leak and how is it typically rectified?

Thanks for this info!

Quote:
Originally Posted by Alchemy View Post
You will hear a hissing sound at low RPM. TOTALLY NORMAL. My test pipes hiss like a mo-fo! Esp around 2k
Do you hear the hiss when accelerating too?
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