When I had my 2007 Ram 5.9 Cummins I added a PacBrake "PRXB" exhaust brake to it. It worked GREAT and FLAWLESSLY for 5 years and also provided onboard air to inflate my airbags. Would buy one again in a heartbeat.
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2018.5 Montana 3791RD
Full Timers 9/1/2010 through 1/16/2020.
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