Need to rejet after spark arrestor install?

[73watermutt]

My wifes '06 Z400 has a Lexx slip on pipe and I am going to install the the spark arrestor quite core that it came with. Will I need to rejet it after I install it?

[Nick24]

i have the same exact muffler and i take in and out every now and then and i didn't have to rejet for it

[73watermutt]

cool, thanks man:)

[Nick24]

yup ur welcome... hey if you really want some more power take the airbox lid off of it, but then i guess you do have to rejjet