Stainless headers, give them a call, they can send you mock-up pieces so you can design something that works, lock it in place and send the mock-ups to them and they will build the headers. I have had this done for my downpipes a few years ago and it worked out great. They were very reasonable in price as well. The pass. side of the ATRs is a complete POS, driver's side is ok but the flanges are waay too thin. SPD has the flanges you need.
Mike