The Lingenfelter Track Rental Day at Muncie Dragway produced a new fastest time for the Lingenfelter 2009 ZR1 Corvette. This Lingenfelter ZR1 has the latest version of our second level of supercharger upgrades and produces an impressive 739 RWHP & 720 RWTQ. The Lingenfelter supercharger upgrades included our pulley upgrade, air intake modifications, intercooler improvements and tuning. This was run with stock exhaust manifolds and factory cat back exhaust with Mild to Wild Switch.