Old 06-24-2010, 04:29 PM
  #3  
bigray
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Join Date: Jul 2003
Location: Chelsea Oklahoma
Posts: 558
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well i bought it .. a 2008 F-550 with the 6.4 DSL i here that they get around 11.5 to 14.5 then u can by pass the DPF with a progamer and new pipe. for about 650 to 1000 and get 15 to 19.. soo i am going to try it out..
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