Reply To: Skusa Rules Are PostedHome › Forums › General Discussion › Skusa Rules Are Posted › Reply To: Skusa Rules Are Posted February 4, 2004 at 3:10 am #45893 Doug WelchParticipantThe silencer is open on the ICc in the SKUSA rule book. It just says that it must be of simlar size as OEM. The pipe has to homologated.
