Theresa ordered the
highest horsepower upgrade possible without voiding the factory warranty, which
was Stage III. “If you go beyond the 400 package, it gets into headers and cam
so it could affect the warranty,” Theresa explained. Stage III consists of the
LS1 Power Pak with a K&N filter, fuel re-curve vacuum line, an ignition
timing “Tricker,” throttle body coolant bypass, 180-degree thermostat, Max Modified
Mass Air Flow Sensor, low-resistance ignition system with red wires, and Flowmaster
exhaust. Horsepower is right around 400, just like the badges say.
For
graphic enhancements, Corvette Concepts changed the armrests, shifter boot,
and emergency boot to Torch Red. Theresa also ordered custom mats with C5 logo
in Torch Red. The most expensive upgrade was South
