Racing seat Sliders question..

Hi everyone, I'm considering to buy Nrg racing seat for my 04 type s.

http://ift.tt/2nn0Avm

It said included Bracket, so I have a question. Should I buy the Sliders as well??

http://ift.tt/2nn0Udw

or I can use my Sliders form my original seat??

Thanks for you time.

Racing seat Sliders question..