Have you looked into burning your own chips? I recall it being relatively inexpensive. http://www.moates.net/ http://www.dynamicefi.com/ I suggest an Iceman cross member. Mine may be for sale if I decide to upgrade to a T56. I have headers from two different applications, like you. Hooker 2460 drivers side and 2466 passenger side. I have the mate to each one as well.