Better than OE Honda Muffler guards for you K0-K2 Z50 and only available here. Honda made them too thin so these are a nicer thicker chrome plated metal. Screw kits also available to mount them.
Guards are $27.95 EACH for K0-K1 Upper and lower. K2 Lower is $38.95
K0-K1 Lower - no vents
K2 Lower - with vents.SOLD OUT
Screw Kits (4 bolts and 4 washers) $5.95
Also available as a Kit with 2 guards and screws.