I like to start a thread on tunning, custom /box tunes. I have a race me ultra. Looking to get some custom tunning via double r diesel. .anybody have any feedback on there tunes or any feedback or opinions on tunning with any tunning device. .this is my first diesel truck,so I would love to hear opinions and feedback on the topic. .I'm new to the forum and working on getting my profile filled out. .thanks again keith
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