Thread: Gas mileage
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  #37  
Old 12-21-2005, 04:55 PM
818Guy 818Guy is offline
 
Join Date: Dec 2005
Location: 818 area code
Posts: 12
818Guy is off the scale
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Side note, when I was at the Hummer dealership the salesman said that a CAI and exhaust "will" improve mileage.

Any truth?
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