some guys in the pro classes are not using BOV or boost controller and using a LARGE wastegate on the charge pipe to dump the air there instead of the exhaust. It basically makes the turbo spin faster and a shit load harder over revving the turbo to make the same boost but faster. IT makes a turbo last maybe 2 race events because they spin past their max RPM which is usually 105,000-110,000 rpm. say like 135,000 or more. just another side note.
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