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What is the difference between the Max Trailering package and the Advanced Trailering package on the 2021 Duramax Suburban? On the gas engine it includes the enhanced cooling but if you have the Duramax that is deleted. It already appears to have the added towing capacity due to having the Duramax as well.
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This topic was modified 1 year, 8 months ago by
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This topic was modified 1 year, 8 months ago by
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