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exhaust 650r slipon

  1. two brothers exhaust

    Ninja 650R Maintenance
    Hi, I recently purchased a two brothers exhaust slip on for my 2010 er6n. My stock exhaust has a c0 sensor but my tb exhaust doesn't have a c0 sensor port, will I need to get one welded on or is there any other options I can take that will not cook my engine? Thanks.
  2. slip on exhaust

    Ninja 650R Performance Upgrades
    All you guys doing slipons... Have you done anything with the air intake? fuel/air ratios etc.?