We purchased this vehicle in March 2009, it was a one-owner vehicle. Since it's purchase we have installed a Lingenfelter 8.8L performance engine at the cost of $38,500.00, which gives this Viper 590hp and 600lbs torque. It has performance brakes, transmission has been back-cut, upgraded Unitrax axles & BBS wheels. Feel free to call us with more questions about this incredible machine. 757 867-6200.