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I have a theory that the hissing is caused by vibration of the exhaust piping when you hit a certain frequency. The hissing gets louder as you change out exhaust
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08-05-2019, 05:51 PM
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Base Member
Join Date: Oct 2018
Location: Australia
Posts: 99
Drives: 370z 7AT 2014
Rep Power: 8  |
I have a theory that the hissing is caused by vibration of the exhaust piping when you hit a certain frequency. The hissing gets louder as you change out exhaust components, not because you are freeing up exhaust flow, but because you are changing to piping that vibrates more freely.
You could test this theory by jacking the car up and clamping some heavy weight to the most exposed section of the exhaust. |
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