I'm planning on pipeing my dvx400 and was wondering if anybody has had to put a rev box after you piped your z400. If so where did you get it and for how much? I know on a 400ex you really need the rev box with a pipe.

 

WB has one it will raise up 1000rpm ibelive

 

yoshi also has 2 rev boxes coming out

 

lets bump this and see if anyone else knows anything

 

Curtis Sparks told me the Dyna is the way to go. Programmable and $400.
I am debating it.

 

I recommend the dyna, I've had it on my z for a month and it's great. I got mine off of ebay

 

Does the Dyna allow for clutchless shifting?. And fastz440 did the Dyna give you allround power or extend your Rpms.

 

I did 3 mods at once,Droped a tooth on front sprocket, removed air box, and installed ignition. I can only say for sure that it will rev alot higher with this ignition. I should have done the ignition only to get a comparison from the stock CDI. But with the 3 mods together BIG difference, alot more torque,revs through the gears faster and higher shift points. most of the gain was from the spocket
I definatly do not miss the factory rev limiter...