I tried to order train horns from Ovideo but he won't ship to Canada, I checked eBay some say theyle ship to canada but then it says they won't ship when I hit purchase.
If you can get an approximate weight and/or dimensions of the kit you want to order, I can see how much it would be to ship from me (NJ) to you in Canada. I know the Omega kit comes in two boxes (horns in one box, the compressor/tank in another box).
Lots of places will ship to CAN but be prepared to pay out the A$$ for shipping, duties, brokerage ect... It's seriously insane. Best be is get a good buddy across the border, shipping for most stuff in the US is cheap if not totally free... then have a repackage and "gift" label slapped on and 20 bucks for your time and you save bunch.
Seriously I've had shipping and brokerage come to almost 50% of the item cost. Still cheaper then getting it in Canada, but not by much... very very stupid free trade system we have setup with the US...