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Old 01-23-2006, 10:23 PM
Big Z Big Z is offline
Hummer Authority
 
Join Date: Nov 2002
Location: Wherever I Go, There I Am!
Posts: 1,216
Big Z has a little shameless behaviour in the past
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Might try the H3 to save some MPG"s! You won't save any, any other way! I've run the Extreme flow for awhile but went back to stock (I do like the Exhaust though!). No change in performance--imo! Save your bucks! It ain't broke, Don't fix it!
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