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5out of
5stars
Cahlheim
Great for basic controls and they recently released new firmware allowing compatibility with the 4XE. We moved from the Tazer to this and the ease of use is night. The Tazer is an absolute pain in the rear to use whereas the flashcal is super simple and straightforward.
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3 of 3 people found the following review helpful
5out of
5stars
Retro Rubicon
I have a 2.0L Turbo JLUR and upgraded to 35 inch tires. I did not realize how off my speedometer was until my wife was following me on the highway and asked why I was driving so fast. This programmer allowed me to adjust my wheel size and in doing so fixed my shift points. My driving speed was fixed and I picked up 1-2 mpg to boot. Was very easy to use with only one call out, once you connect the device, it is very hard to remove it. I broke the weak mount but it was easy to fix. I had the similar unit for my JK and never had any issues, I expect to get the same performance from this one too!
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