I lost about 2 with 285s but i got 3.55s. just remember your rollining resistance is greater so you will prob. lose mileage.
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01 2500 4x4,2" leveling kit,edge drag comp,4" TBE w/5" tip,BHAF,ats arcflow,silencer ring, muffler MIA,trans/boost/pyro,,nv4500,Valair 13"kevlar/ceramic clutch,bd short shifter,fass 150,Coaltrain 150s,Bigstick cam,studs,110 springs,push tubes,