Who here has the headers whistle?
1..WilliamGT
2..gulfstreamcpt
3..DavidGXP
4..higsy
5..Aaron Provost
6..Mels SS
7..crazyjoe
8..ji22my
9..AlabamaGuy
Last edited by williamGT; Apr 19, 2010 at 08:35 PM.
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-Mike
He says the sound starts in the back of the y pipe and goes to the front, and he says its back pressure.
Also says 3inch cat-back or true duals will stop the whistle, there is no exhaust leaks.

