Quote:
Originally Posted by chii370
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.. are... are you serious?
This entire time, you think we're talking about the HR/VHR 'hiss'????
That's a phenomena that's been around since the HR and is caused by the VVT system on the exhaust side.... You can get rid of that by running a simple resonator (glass pack) in the exhaust stream.
The grown ups are talking about exhaust rasp during WOT use caused by supersonic wave fronts within the exhaust stream as the exhaust valves open.
At least, this grown up is. I respect Synolimit's grounding in the subject, so I am assuming he is referring to the same thing.
Not the stupid hiss. Who cares about that ****.