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LML Ppei vs GDP tuning for lml
New to the forum, just picked up my first duramax last weekend. A 2016 ccsb ltz with 38k miles, once the warranty is up I plan on deleting. Googled the topic but couldn't seem to find anything. Anyways looking at getting the ezlynk setup and noticed the two most popular tuners are GDP and ppei...- Littletank8
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- Replies: 56
- Forum: Duramax Tuning, Logging, and Gauges