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Discussion Starter · #1 ·
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.
 
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