ARC's header and muffler kit for the AKRA/WKA clone Box Stock class. Looking at the picture above, it is easy to see what sets ARC's header apart. The flange is funneled into the header pipe so exhaust gases flow smoothly out of the exhaust port. Contains a DJ-1138B CNC port-matched header, RLV-4117 "Mini 91" muffler, Pre-bent steel brace and two clamps.
