Exhaust and remote start

[Jeff_5_7]

ok i just got my 88 non tunro supra running and i am buyina header for it off ebay but i need newexhaust from th cat back i want borla and ideas about what i caould do i was think header to the cat and from cat back straight and a muffler on the end my cat is gutted and i want my car to sound good and havew a roar to it

I also want remote start and keryless entry but i dont know if i should try to let somone put it on or should itry my self i think it might be hard to do but i want it and i was lookin at gettin window tint

any way i just want to see if some of yall ahve done custom exhaust or keyless entry and if u couls help me pick a good brand