Raptor Forum banner

dynostage

  1. Jet or add mods first??

    Raptor 660 Modifications
    I have a stock 03 raptor and looking to upgrade the performance. I never knew about jetting until I read it here on this site a few days ago. My question is do I jet it or add mods first? Seems like riders are recommending the dynojet stage 2. The mods I am looking to get is a K&N filter with no...
Top