It is gear limited and YES for a large wad of cash you can have custom final drive gearsets made. The downside is that you will sacrifice driveability on the street. If you have a pure track (drag for example) car then that is not an issue. For road racing ther are some other things to consider. ANother thing-Preludes are as aerodynamic as Honda wants them to be-so that will also be a limitation. HP and Torque get the car moving-wind resists beyond a point in the aero envelope.