Kawasaki Ninja 400/Z400 Classified Forum
I have a few sets of velocity stacks for sale that will fit 2018-> Ninja 400 and Z400.
They are made of carbon fiber and polycarbonate.
I have run a set of these on my bike for about 7,000 miles and 3 or 4 track days.
A few others on the forum are also running a set of these stacks on their...