what is this extra plugs from the intake manifold? [Archive] - Toyota MR2 Message Board

manifold, extra, intake, missing, 5sfe, http://i37.photobucket.com/albums/e52/albertgunit101/untitled.jpg, plugs, holes, thing

its 3 extra holes for some thing. can anyone tell me. is this intake manifold missing something? or does every 5SFE have this? http://i37.photobucket.com/albums/e52/albertgunit101/untitled.jpg