nice 400ex mods

[honda_foreman10]

whats some nice mods not that expensive to jazz up the 05 ex's top speed ?

[tp300ex]

air filter, myb a slip on, air box lid off....:p

[striker1001]

to icrease the top end? well u can go up a tooth in the front sprocket, bigger tires. These would be good if u have no mods what so ever. But you lose some bottom end.

[Wandell]

If all you want is more top speed, you can buy a one tooth larger from sprocket from Rocky Mountain ATV for $6 or $7. If you want more performance, a pipe, removing the air box lid and rejetting the carb is a great place to start.