Exhaust brakes
From what I can tell most pickups with diesel engines do not come with exhaust brakes on them, except, I believe, for the latest iteration of the 6.7 Cummins. For those of you who have diesels, do ...
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Ram/Dodge has had them equipped from the factory on all their diesels (except the 1500s with the 3.0L Ecodiesel) since 2007.5 models. Ford and Chevy just recently added theirs. Ford added one in 2011, but it was only somewhat effective from the reviews I have read, and the Duramax just added one in 2011 I think.
