My Cummins pulls the Alpine 3401 like a beast, no doubt. But what pleases me most is the performance of the 68RFE and exhaust break combo. When in tow/haul mode the transmission downshifts smoothly while the exhaust break does its job. It's like a symphony.
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Tom & Cathy
2017 Alpine 3401RL
2016 Ram 2500 CTD MC
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