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My Son has a 14' 3500 GMC dually as a service truck and as soon as the warranty was up he removed all that crap, got rid of the DEF and chipped it. He immediately gained 3 MPG. No smoke. He normally runs 150 to 200 miles a day, 5 or 6 days a week. That is a big savings.
He said he did not notice any power gain but there must be. His truck is close to max load all the time. He is a plumber and carries lots of stock and pipe in this truck.
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2016 Bullet 1800RB, UVW 3260, led by a 2005 Chev Silverado Z-71 1500, Crew Cab, 5.3L, 4WD, Tow & Off Road Package with 4.10 Rear Axle, GVR 7000 lbs, Front GWAR 3925 lbs & Rear GWAR 4000 lbs., Payload 1600 lbs., Hellwig 6012 Air Bags. 97' Honda Goldwing GL1500.
Home Base is the Alberta Foothills at 4300 ' ASL.
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