T-Dawg's Kuntry Karts took this EZ GO TXT and converted it from 36v to 48v and added an EMP 2-speed motor. But that's not all:

3" lift kit
22" tires on 8" rims
Grant steering wheel
Diamond plate rocker panels
Rubber diamond plate floor mat
Custom 2 gauge cables
Heavy Duty Forward and Reverse switch
Herculined body and top
Marine waterproof stereo
Custom lighted switches for all electronics
Sirius radio ready including antenna mounted on top
4 waterproof speakers
12 volt power outlet
Separate 12 volt deep cycle battery for all accessories
Separate charger for 12 volt battery
Aux MP3 player input
Aluminum cargo box
Headlights, tail lights and rear light
Windshield
Trailer hitch