I just got a 01 400ex it has e series white bros exhaust and has been jettedand has aftermarket rev box. What other mods do you recomend. I was thinking of nerf bars.
here is the link to a racers site and what all they did to their 400ex maybe it will give you some ideas. Our 400EX Modifications and Secrets
As for my suggestion i would say a good skid plate for underneath it I don't know how many times my DG skid plate saved my sprocket and chain from rocks especially considering how low sport quads sit.
A forum community dedicated to All ATV owners and enthusiasts ranging across all makes including Suzuki, Yamaha, Polaris, Arctic Cat, Kawasaki, and Honda. Come join the discussion about classifieds, troubleshooting, suspension, riding, off roading, maintenance, performance, modifications, and more!