Maxwell Power EFR 7670
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12-07-2012, 10:23 PM
07 STi Limited
EFR 7670 TS
Originally Posted by
I thought the Vipec had knock control built in. Is this some kind of amplifier?
its external knock system to tune build in one.
Set freq to 5 "5-7 khz" but still getting full range sound....
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Last edited by Bariga; 12-07-2012 at
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