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    Proper Use of Jake Brake?

    I bought my truck about 2 years ago and it has a Jake Brake (the real thing made by Jacobs) with the Cummins name on it. It seems to work correctly though I'm not sure I'm using it correctly. It only engages above 35 mph and when you give it gas at any speed it disengages. My question is when...
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    Will Catalytic Converter Get Rid of Drone?

    2006 qclb with muffler, no cat. The exhaust is a cat-back system of unknown origin from the previous owner. I have a terrible drone when towing. So bad I can't hear the wife and kids when pulling the travel trailer. I need to get rid of it as it defeats the purpose of family trips when you...
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    How to tell if a tranny is modded?

    I have a 2006 DRW quadcab with the 48re tranny in it. I bought the truck from used car dealer in town and he had no idea of the history of it. The truck was obviously used to pull a lot because it's equipped with a gooseneck ball mount and had a fifth wheel hitch as well as air springs in it...
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