Re-listing Due To Non-paying Bidder. Lingenfelter Performance Engineering Tt650 S/n – 003 C5 Frc Corvette With Stg Ii Twin Turbo Installed 870 Miles (odometer). Frc Corvette Purchased (ttl) - $43,000 (est) Stage Ii Twin Turbo Build And Tune - $48,000 Hre Wheels And P-zero Tires.