We hear all the time that full supercharger porting is only for max-effort Hellcats and actually LOSES power on pump gas boost levels. So, we decided put this claim to the test on the dyno! In this video, we compare the following combinations back-to-back on the dyno with Kevin's 2019 Dodge Challenger SRT Hellcat:
Combination One:
• Metco 2.85" upper supercharger pulley
• Kong Performance ported supercharger snout
• Kong Performance 108mm throttle body
• Otherwise stock supercharger
Combination Two:
• Same as above, but with Kong Performance ported supercharger bearing plate
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