Yamaha R3 Forums banner


  1. Putting on a full exhaust. What next?

    Exhaust & Fuel Delivery
    Hello everyone! I recently got an akrapovic full exhaust system for my first bike (r3) and a k&n high flow air filter. My question is whats next because i have heard so much talk about tuning after and you need power commanders or ecu flashes, running rich, running lean. Basically if anyone...