Quote:
Originally Posted by LockDoc
The guy at the muffler shop I go to had never heard of them either. He couldn't believe what a difference they made in the exhaust sound after he got them installed..... Exhaust still sounds good just no drone at highway speeds.
Here is a chart to calculate the length you need.
You can't just make them any length and expect them to work. That's why I recommend doing some reading on them. I think mine are 23.5 inches long.
LockDoc
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If I'm reading the chart correctly your drone was at 2150 rpm?