PDA

View Full Version : get most power out of a 450 formen



speedfoxracing
06-21-2008, 07:52 PM
how can i get the most power out of a stock 450 formen 4x4 with out doing major stuff. like wuts little things. i got my 400ex and now i get on that and its a turd so i need 2 do something with it. also wut exhaust do u all recomend

250exkid
07-17-2008, 01:24 PM
HMF penland exhuast or the IDSX supertrapp and K&N filter jet it and you should have more snap to it