Im going to be doing a custom 2 & 1/4 exhaust system with a high flow cat and muffler form Walker, But I need a little help with my header, I really would like to get the Calmini performance header, but there are some things that are holding me back. First I live in Toronto Canada, and I dont know what the $$duty and shipping$$ will be like?? And the other reason is, how good is the Calmini header and how come I cant fined anyone in Canada that sells a performance header for my zuki?? Thanx