Quick acceleration off the line, faster 0-60 times and more towing power is yours with the Jet Performance Module. This performance module installs easy, is 50-state street legal, and works for both stock and modified powerplants. Plus, Jet backs this module with a 1-year warranty.
Take your performance to mach-1 with the Jet V-Force Plus Power Control Module. This in-line module improves performance and acceleration—taking your ride to the next level. Plus, 14 screen views let you keep tabs on what’s happening under the hood. 1-year warranty,
Not sure which 2003 Jeep Grand Cherokee In-Line Modules are right for you? We have over 1502 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"Amazed at the instant horsepower gain. Gas milage is better. I will order one for my wife's mustang." —Dennis S from Miami, FL bought a Jet Performance Module for a 2003 Jeep Grand Cherokee, 4.7L V8 - includes the H.O. engine.
"The Jet module worked exactly as promised. Mid-range power from 0 - 60 is awesome. I've actually noticed (after I eased up abit on racing) that my gas mileage has increased about 1-1/2 mpg! Pretty good for a clunky Jeep." —Bradley D T from Milwaukee, WI bought a Jet Performance Module for a 2003 Jeep Grand Cherokee.