I have the Granatelli MAF sensor, Helix Power tower , Airforce one cold air intake, Hypertech III programmer, and Corsa exhaust on my 03 H2. I only gained about one extra mile per gallon but, I get on the gas a lil more than what I used to. The Power tower is a throttle body spacer that has groves cut in it to help create a vortex of air. It bolts on between the throttle body and intake. When I try to drive kind of slow it is really touchy on the gas peddle. Really jerky... But its fun. I put everything on all at once, so I don't know what helped what. I just know that it was like night and day.
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2003 H2 white, 22\" Bounce with 37\" Toyo open country, Airforce one cold air intake, Granatelli MAF Sensor, Helix Power tower, Hypertech III, Corsa exhaust, TV\'s everywhere and me..............
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