A programmer connects to the OBDII or diagnostic port of the truck and is used to change settings, which results in a better experience than the stock settings.
Modern Jeep JKs already come with a lot of electronics, so that is why I have compiled a list of the best tuner for Jeep JK currently available in the market for you.
Purchasing a tuner for 6.4 Powerstroke will be considered as the easiest way to improve a vehicle’s performance. Real enthusiasts love improving vehicle’s strategies like that!