The JMS FuelMAX Fuel Pump Voltage Booster V2 increases the output of your Mustang fuel pump by 85%! Easy Installation and Plug & Play for the 2011 - 2014 Shelby GT500 Mustangs. You can also support up to 1000hp with the stock Mustang fuel pump! No need to replace your fuel pump when when you can increase its output with the reputable PowerMAX!
(Activation - MAF/MAP/TPS or Ground, includes Ext pressure switch)
California Residents: Proposition 65 Warning