ok, do i have to have the "black box" if i have a missing link?
also on a 99 RS, where does the FPR go? back underneath the car or in the engine bay?

No, you only need the missing link. The missing link works far better then the black box. It wont hurt anything to have both on there, but there really is no need. Yes, your FPR is back by the gas tank, however, when you install the turbo kit, you will be relocating it to your engine bay. If you buy a kit, it should include everything you need to do this.

well i bought a used kit, so some things were missing..vac lines, fuel lines, 1/2 the oil return line...no black box..

PS-anyone out there wanna overnight or sameday ship me a missing link??