Re: Hello, Im a NEW HUMMER H2sut owner
Congratulations Bro! I'm also one of those "few" who had worst gas milage before I bought my Hummers.... But it wasn't my 560HP supercharged Roush... it was the freakin' lifted Excursion V10 LOL 
believe it or not I still get 21-23mph in the highway with the Roush with no boost of course... then if you step on it.... well.... yeah.... 10s... LOL
Congrats again man, enjoy it! 
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2003 Black H2:
Blacked out,7" lift,40" Pitbull Rockers, 20x12 Fuel Octanes and lots of more junk, DemonGuard Brushguard 
2006 Blue H2:
20x12 black Rockstars & 35"s. missed.
2005 Black Mustang Roush Stage 1 #05-1058:
Showcar, Procharged 580HP, 20" Gianelle's, Prokit, 1/8 in 7.56secs.
2009 Silver Cadillac CTS Premium
White interior, lots of future mods.
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