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Trail Boss 2021

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About Trail Boss 2021

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  • Birthday 03/01/1962

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  1. Has anyone used the "Range Technology RA003 GM AFM/DFM Disabler Device" on a 2021 5.3 6 speed ?? I want to make sure it is compatible with my 2021 Custom TB before buying. Not sure if the website just needs to be updated or if 2021 has something preventing it from working. When I put in the year/model/engine/trans on their website it gives me this message: Vehicle Selected: 2021 Chevrolet Silverado 1500 325/5.3L V8 Clear Vehicle We couldn't find what you're looking for.
  2. I have the same issue. Seems very strange that you need to reset every time you start up. I hope there is just a glitch..........
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