Fuel Optimizer

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The HMF Optimizer is a Fuel-Injection Controller that has been pre-programmed with the proper tuning specifications for your HMF exhaust. You must retune your machine when you're a dding an exhaust system, so not tuning your machine will void the warranty of your exhaust.Features: Pre-Programmed with the best settings for your HMF exhaust Push Button Interface Unique load based technology Plug and Play Installation No CPU or Dyno Needed Full Range Tuning Fitment Yamaha WR250R 2008 Yamaha WR250R 2009 Yamaha WR250R 2010 Yamaha WR250R 2011 Yamaha WR250R 2012 Yamaha WR250R 2013 Yamaha WR250R 2014 Yamaha WR250X 2008 Yamaha WR250X 2009 Yamaha WR250X 2010 Yamaha WR250X 2011 Show more