Hot Rod Farmer: What you need to know before you delete the Tier 4 emissions system on a diesel pick-up.November 17, 2021
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The lure of more power and fuel economy and no longer dealing with DEF and regeneration of the DPF can be alluring. But these gains come with a cost that many do not recognize until it is too late. Be an educated consumer and learn all the facts before you decide to tamper with your diesel pick-up truck’s engine.