i'm pulling a 3605 with a 2015 duramax cc drw, and see anywhere from 8-11mpg with stock intake and exhaust. my buddy has same truck with all the exhaust crap taken off, and pulls his trailer at 15mpg, I'm really looking at yanking that emissions crap off my truck too. No smog check here in Alberta to worry about, just warranty
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2007 GMC Sierra 2500HD 6.6L Duramax CC/SB
2015 Chevy Silverado 3500HD 6.6L Duramax CC/LB DRW
2014 Voltage V-3605 with trail-air pinbox
2012 Can-Am Commander XT 1000, 1998 golwing GL1500
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