Not sure which 2004 Jeep Wrangler Power Programmers & Performance Tuners are right for you? We have over 5642 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:
"Great easy to use little helper. Many features once you contact banks and get the downloads you need to communicate with it." —Larry K from Bellevue, WA bought a Banks AutoMind Programmer for a 2004 Jeep Wrangler.
"So easy to use, even a College Graduate can understand how to use it. I did notice an improvement in performance but did not see any improvement in gas mileage. Got extra money, buy it. Looking for improvement in gas mileage, save your money and use it for buying gas. Could sell more if price was cheaper." —Allan H from Marysville, WA bought a Superchips Flashpaq Tuner for a 2004 Jeep Wrangler, 4.0L 6-cyl. engine.
"The power increase was very noticable. The mileage is about the same as before. I was looking more for the mileage increase but did't get it." —Marvin O from Coon Rapids, MN bought a Hypertech Max Energy E-CON for a 2004 Jeep Wrangler, 4.0L 6-cyl. engine.
"After installing in my 2004 jeep rubicon. I noticed more power right away and my auto tran shifts smoother.before the install when cruse control was set to 55. some hills would make the tran shift into 2nd gear and rapping the motor up to 4500 rpm.After installing the chip it goes over in 4th and only shifts into 3rd if it needs too. I would not go back to factory. Great product." —Patrick M from Lewellen, NE bought a Superchips Flashpaq Tuner for a 2004 Jeep Wrangler, 4.0L 6-cyl. engine.
"After installing hypertech jeep ran a lot smoother, more power on hills, more power in OD." —John G from Lafayette, IN bought a Hypertech Max Energy Programmer for a 2004 Jeep Wrangler, 4.0L 6 cyl. engine.