Quote:
Originally Posted by Bisimoto
The design is more than just sound wave cancellation. When designed properly, the reflective waves can combine increasing scavenging...pronounced only in a limited RPM range. A similar phenomenon occurs in intake designs, resulting in inertial supercharging in naturally aspirated vehicles.
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That would explain the gains over open exhaust, and the angle of the resonance chamber to the outlet? Very cool design either way. Very outside the box scientific thinking.