i was looking at turboing the ka because you all have given me hope

anyway... i cant make an exhaust manifold myself so am i limited to the t3, t4 because that is all the revhard matches up or is there someone else? or adapters? or? im just not sure what turbos i can actually use because the only ones ive heard of are some garrets... never seen any hks or the such... where can i go to search up some of this stuff.. we have he word turbo in about 10k posts so my search left me pretty clueless
JaY