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Where in the proccess of buying a 2009 gmc 2500 cc and i really want this truck to be fast. Ive been looking at the fleece cheetah or the mpi twins. I would like to be able to get into the low 12s with a upgraded trans and efi tunning. Are their any others turbo's or sets of twins that could also produce these 1/4 mile times. Also what about the banks aftercooler is it worth the money or the stock one fine.
Give me a shout if you would like to talk about some of the options above. We have set-up a couple Lmm's with various turbo set-ups. The II twin kit is our most popular.

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