subframe support brace

Sold my Mustang GT, so I'm selling all leftover parts. Steeda Rear IRS Subframe Support Braces Brand new (box opened for pictures) / Never installed. All hardware still sealed. Sway Bars (Front & Rear) Used, unsure of milage or details, these were part of deal I made a while back. IRS Braces...

Can't seem to find the a definite answer on this, but other than Kooks headers are there any other headers that the BMR Front Subframe Chassis Brace doesn't work with? I'm looking at going with ARH long tube headers soon and don't wanna waste the money on the brace if they aren't compatible. Any...