I have a 03 400ex that is pretty much stock and i was told that if i put a OEM coil and rev box it will give me HP, is that true? I what are some other mods i can do to make it to where i can beat stock 450's....???
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
A forum community dedicated to Honda TRX ATV owners and enthusiasts. Come join the discussion about reviews, modifications, classifieds, troubleshooting, maintenance, and more! Open to all models across the 500, 400, 300, and 200 series.
