Need to decide what to put on my Z400. It's bone stock now except for the rear baffle and pea shooter being removed.

I honestly felt a good power increase from the exhaust mods I did. I was wondering if I should put a pipe on it, or go with a Dyna ignition box? I'm thinking since my stock pipe is opened up already I might not see too much additional gain with the pipe (slip-on). I heard the Dyna is good for up to 3-5HP, and it will also up the rev limiter.

Thanks!

 

Yes and no. The extra RPM will not mean much unless your drag racing. I do not think you will get any more HP without more air and fuel.

Get a pipe,jetting and a better filter set up. Just my .02

 

yea ill second that one