I just installed a hitch mount mud flaps on a 2020 3500 Chevrolet Silverado. The only problem I ran into was the exhaust came straight out the back so I went to B&W ordered a heavy duty exhaust extension turn down that works perfect. Reasoning being:it rerouted the reigin out from under the truck to the outside. If you notice on all commercial diesel trucks the exhaust goes up behind the cab and at the top there is an elbow that directs the heat from the exhaust. That elbow (exhaust extension) was the only thing I had to work with.
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