yamahaman623
10-30-2008, 01:53 PM
i have a 2005 yfz 450 that has a sparks exhaust, air filter, jets, and a cam mode. i need to get a rev box and i was wondering what was the best kind. im going to be doing a little bit of drag racing with it also. i have heard good things about the gytr ones but im not sure yet. help?