well i just bought a greddy catch can and have no idea what to hook the other hose to, i know one goes to the valve cover but no idea where the other ones go, please help. thank you

Simply disconnect the return line in the intake manifold and the PCV valve and run a new vacuum line from the PCV valve to the catchcan, and then run another new line from the catchcan back to the intake manifold.

GL!

so do i hook one line to my intake manifold and one to the breather on my valve cover?

Can you provide some pics cause I'm about to install a catch can into my SC300?
Thanks.