I am located in central Florida, and I’m looking to buy anyone’s 450sx, 450xc, 505sx, 525xc... not wanting to spend an arm and leg but I will pay the right amount for the right quad. Text me 863-991-5878 or email [email protected]

Ok I have a 08 525 stock motor stock carb with powerbowl 2 and full fmf powerbomb system.The quad runs good and has pretty good throttle response but back fires everytime youcome off the throttle or decell. What are my be options to fix this as it seems to be a comon problem with these.

I've had my 505SX for a few years now with the FMF slip on--the black one that came with the deal. Now I'm thinking about getting the FMF power bomb header to get a little more performance. Does anyone know if it is actually an improvement over the stock header? I've read through the various...