Posts Tagged ‘Gain’

Joyner 800 Sand Viper Computer Upgrade 20% HP Gains!

Wednesday, June 24th, 2009

Joyner 800 Sand Viper Computer Upgrade. 20% HP Gain (40-60 HP). Computer Add-On Power Programmer Box Pre-Set for your Vehicle. Joyner performance from the leaders in off-road power McCoy Motorsports.