Reply To: Exhaust advise Forums 🚥 PiT STOP 🔧 Hyosung Technical Help Exhaust advise Reply To: Exhaust advise Apr 1, 2020 at 1:57 PM #4055 MickMember Topics: 5Replies: 9 Update. After taking original end can off I discovered there is a honey combed catalytic converter in the actual end can!!! So in theory the shouldnt be a great deal of restriction in the box where the front pipes are?
