The Jeep Grand Cherokee Trackhawks come factory with dual pumps in a saddle-style fuel tank. To help select the correct fuel system you need to know the max horsepower level your build is designed to achieve. We have multiple Fore Innovations complete kits that support 1200HP with Dual Pumps while the more advanced Triple Pump kits are capable of supporting 1800HP on gas or more. The difference between L2, L3 and L4 is just line routing in reference to the regulator and fuel rails:
Contact HHP for help selecting your new fuel system.