450r slip-on on a 400ex

[freak]

will a stock slip-on off a 400 ex fit on a 400ex?i want to run it in the winter so i can ride in the neighborhood and not be to loud.i have a je 11.1 ,stage 1 hot cam and a short t4 and kn jet kit.how much will it hurt?

[olimj]

Not without some modding. I'm working on a sleeper setup now using the stock 450r slip-on. It bolts right up to a larger diameter Pro Circuit header, but the rear hanger bracket needs to be relocated.