Duramax upgrades
Just bought an '05 crew dually dmax for hauling and looking to see what upgrades evryone else has done. Already planned on changing the turbo inlet which is very restrictive on lly engines, Magnaflow exhaust, some type of either programmer or flash (considering efi live). My main interest is mileage either pulling or not. My last hauler was a 97 bbc crew dually and although it pulled perfectly, mileage sucked. thanks
Scott, If this thread needs moved, please do.
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Mike Redpath
Musclerodz & Customz
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Last edited by Musclerodz; 09-18-2010 at 12:31 PM.
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