Don't know what you are looking for, but here is my set-up and it cost me around $260. About to add a real stainless tip for about $50 more. Total cost is around $300.
http://nismopc.tripod.com/borla.htm
Borla: $79
Welds and piping and bends: $150
Etc: ???
Tip: $19.99 (not installed yet) + installation $XX