help wanted: header mods

HI all. Im wanting to modify my headers to make my Weber progressive work. The mod details can be found at
http://vw.zenseeker.net/WeberProgressive.htm

My header is in stainless steel 304 so the extra tube needs to also be in SS304. Im in Epping, Sydney.

Many thanks
- Jon

Ok I've found the material, now i just need some help from someone with a TIG welder and a tube bender able to do 5/8" stainless tube

Anyone?