ORIGINAL: Joebaby35
46U the thing you are asking about is called an exhuast manifold which connects to the tuned pipe.
Well some one needs to tell HPI there terms are wrong. See link and see what HPI call it.
http://www2.towerhobbies.com/cgi-bin/WTI0001P?&I=LXFAZ9
I all so know on a full size car it is called an exhaust header.
