Kingmotrsports RSX challenge car with new Rotrex supercharger

Kingmotrsports RSX challenge car with new Rotrex supercharger

This video was taken at ITR expo 9 at Autobahn south track in Joliet, IL. Car has the new Rotrex supercharger setup @10 lbs. with a stock internal engine. Car made 351 Whp @ 8,250 rpm.