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679 Posts
Discussion Starter · #1 ·
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

let me know what u think:rolleyes:

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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