GTspec makes braces for the Yaris that would probably fit the XD.
http://www.gtspec.com/catalog/produc...aris-hatchback
If you live near 81 E. Jefryn Blvd Deer Park NY 11729, which is their contact info address, maybe you could talk them into test fitting their braces in exchange cutting you a deal on them? After all it would confirm a larger product range fitment for them!