I have Mark's 4-2-1 exhaust with 14 inch can which can did you get? He makes a good exhaust. It won't be very loud at first. take it on a good long ride at highway speeds and it will get a real good sound.
Dunno couse i was not speaking with him personaly, just leave him a massage with my fiend cell phone from chicago. He was speaking with him today.
Dont know what can hes sealing but i like preety damm short cans