GameShark Codes
 
Lots of Points 
 8003852cffff 
 
 Always Have Max Speed 
 800386120fff 
 
 Max Speed and Acclerate 
 801fa8b0100e 
 
 Max Cornering and Power 
 801fa8b2100a 
 
 Max Jump 
 801fa8b4000b 
 
 

 Thanks to Revolution readers Grey Wolf, Picosha and Jerris!