A. check the header design - if its 4x1 - its mainly for the high end torque - if its 4x2x1 it is for low and mids.
B. just ask them to stuff the muffler/endcan with more glass-wool. or you can ask them to fabricate a silent muffler/endcan. 
__________________ Planet, Sonja, ETC - "Elements of Life"
RWD Rocks ... :)
Last edited by planet_rocker : 6th May 2008 at 18:15.
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