Sink your teeth into the healthy performance boost included with your Banks Stinger System. Available for both gas and diesel vehicles, this performance bundle comes complete with enough engine-bay upgrades to crank out up to 92 hp and 219 ft-lbs of torque. Warranties vary.
Outgun every other off-roader out there with the Superchips Trail Jammer EXT Jeep Performance Package. Loaded with Jeep performance parts like a custom-tuned Superchips programmer, a specialized cold air intake and an advanced hi-flow throttle body, it delivers power gains of up to 18%. 1-year warranty.
Unleash your 4x4's wild side with the Superchips Trail Jammer TDX Jeep Performance Package. With a custom cold air intake and the advanced Superchips Trail Dash tuner that’s secured by a custom dash pod, you get the guts to go farther and faster than ever. 1-year warranty.
When only the best of the best will due for your diesel or gas rig, pick up the Banks PowerPack System. This complete performance package comes with everything you need to unlock up to 119 hp and 284 ft-lbs of torque. Warranties vary by component.
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Not sure which 2003 Jeep Wrangler Performance Packages are right for you? We have over 25 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:
"I have 2003 jeep wrangler X.4 inch lift kit and 35 inch tires.the package works great in my jeep.the bad issue is doesn't work in the Tire size calibration of speedometer in my jeep 2003,just works on jeeps 2005 and up,and rubicon." —Hugo R from Naples, FL bought a Superchips Trail Jammer EXT Jeep Performance Package for a 2003 Jeep Wrangler, X, 4.0L 6-cyl. engine.