I don't know if the mugen header would match-up to the springs holes. I guess I could drill whatever spring holes I needed. The key is the 80cm width to fit it in the buggy. If you try and bend it too much the joints are at angles and either don't seal well or wear the gaskets quickly.

I have the 2013 pipe on the engine now and a Big-Boy pipe on the way. Unlike MO and other lucky racers I don't have a track close enough to test at during the week but hopefully next weekend I can try both pipes back to back and give some feedback.