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I have a bone stock 6.7 with 28000 miles. I'm looking for a tuner for fuel mileage when not towing and more torque when towing an 11000lb boat. I would like to get some opinions from people that have used the products they recommend. Thanks for any help.:thankyou2:

First post here but been reading allot for the past few months. I'm sure my question has been asked before,,,but I did a search and didn't really find an answer. I'm looking at buying a '08 Dodge 3500 SRW when they come out. It has been my understanding that Cummings engines get the best fuel...