I'd say it's a fluke because I'm rapidly apoaching 90,000 miles, run the exhaust brake all the time and drive the crap out of her..................But I do have the auto trans?

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2007.5 Dodge Ram 3500 HD,QC, 6.7L Cummins, 6speed Auto, 4X4, Bighorn Edition.
Click for installs: Carr Steps PML Diff Cover Edge Juice with Attitude Volant Intake Hankook ATM RF10