Has anyone used Xtremeflow?
Xtremeflow is proud to introduce the first high performance exhaust system for the all new H2 Hummer. Keeping with our tradition of bringing you the very latest in exhaust technology, we have developed a truly unique exhaust unlike any other on the market today. The New H2 muffler and cold air intake will add a surprising 40 horse power and 2 miles per gallon. We have taken our years of experience and produced what many consider to be a milestone in the advancement of muffler technology.
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