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  1. power commander vs big gun tfi power box

    ATV Performance Modifications
    I have a 2011 polaris 850 browning edition and plan on putting the big gun eco series slip on pipe. Any suggestions on which I should get and why? Im leaning towards the big gun due to price and ease of install.
  2. Power increase in 850.

    ATV Performance Modifications
    How can I get more power out of my 09 850? I just added new Pro comp tires and they act a little heavy. I can feel the loss of power. I added a K and N Air filter and that helped a little. Can I put the new 2012 HO intake on mine?? I hear there is a shim I can take out of the clutch to bring...
  3. 2007 Sportsman 700 Fuel Map???

    Polaris Sportsman
    I have a 2007 Sportsman 700 with full exhaust, K&N filter, 27 inch tires, lifted, re-clutched etc... Bought a Power Commander III usb to re-map after I put on the exhaust and noticed when using the only map I could find for an '06 sportsman my y-pipe GLOWS CHERRY as about the pipe through the...
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