I came across this today flipping thru a book and thought it might be helpful to some. Alot cheaper vs the tcbros and others kits you come across....now of course you dont get the flanges.....but if you wanted to use your existing stock ones, heres an option.
http://www.speedwaymotors.com/Combo-Exhaust-Bend-Header-Tubing-1-1-2-Inch,4563.html
http://www.speedwaymotors.com/Combo-Exhaust-Bend-Header-Tubing-1-1-2-Inch,4563.html