stahl sbc A body stepped 2"-2 1/8" headers w/4" collectors, o2 bungs and egt bungs. i dont have the adapter flanges, but this will give you an idea of what they cost.
http://www.stahlheaders.com/Frame%20New%20Drag.htm





ehaust system w/4" collector to 3.5" exhaust w/borla stainless steel mufflers dumped at the rear end.




race pack data system w/egt sensors



$500 for everything