Thread: Looking to do the upgrade
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Old Sun, March 7th, 2010, 01:44 PM
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kd4crs kd4crs is offline
Not a Whopper
  
Join Date: Jan 2009
Location: Central KY
Posts: 80
kd4crs is on a distinguished road
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I get 14 MPG city and have seen as much as 20 on the highway on level 2 with the Gryphon on my 5.4L3v super crew.