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increase your hp...and gas milage

Have any of you guys heard of spiralmax....I was thinking about ordering two units....but not sure what size the intake pipe is??
does anyone know the diameter of the pipe that carries air from the intake to the engine........check it out spiralmax.com

let me know what u think:rolleyes:
 

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I was reading on the forum before when someone asked a similar product(the tornado or something?) and the general idea is the thing sucks and stay away from it....
 
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OMG! that thing looks so cheap... $70 for 30hp?! i don't think so! if anyone tried it, let us know. (that webpage is pretty ugly too).
 
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