2009 Duramax Mileage - Montana Owners Club - Keystone Montana 5th Wheel Forum

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2009 Duramax Mileage

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09-26-2009, 12:55 AM	#1
corncob Seasoned Camper Join Date: Feb 2008 Location: Brooklyn Posts: 76 M.O.C. #8226	2009 Duramax Mileage What kind of mileage numbers are owners getting when you are towing the Montana with a 2008/9 GM Duramax? I am looking at the 09 truck and hearing mileage will be less than the one I have due to the 'new' exhaust. Supposedly, the new exhaust sprays fuel on the particle collector to burn it off, thus reducing mileage. It certainly seems like a moot point to me. Probably an issue for ones that idle much of the time. Any thoughts?

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