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  1. 2020+ (Non Powertrain)
    2500 hd. I just switched stock tires for Ko2 (stock size on 18” wheels). I drove some light to moderate off-road trails yesterday and today. In the rockier sections, I noticed a “clunk” feel as the wheel moved back and forth. The steering seemed a bit looser after the clunk developed. It seems...
  2. Wheels & Tires
    The stock tire on my 2020 duramax 2500hd is 275/70r18. Has anyone upsized to 285/70r18? If you have, can you provide pics and also comment on any issues? I don’t really want to add spacers and would like to keep the tire profile flush with the truck body. I plan to keep the stock rim with no...
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