Big Gun Exhaust Rev Box 9000-9750 - 40-R10A

Big Gun

  • $133.76
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If you are looking to swap out your stock CDI box, the Big Gun Rev Box is an affordable alternative to highly-priced OEM replacement boxes. It increases the overall RPM limit over the stock box and advances the timing curve. The Big Gun Rev Box is offered for various offroad MX and ATV models.


  • Increases overall RPM limit
  • Advanced timing curve
  • Easy direct plug in replacement to stock CDI box
  • 6 month Limited Warranty


  • 2008-2010 Polaris Outlaw 450
  • 2006-2007 Polaris Outlaw 500
  • 2007-2011 Polaris Outlaw 525
  • 2005-2007 Polaris Predator 500

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