Headers on nitrous motors are not important?

Charlie Buck implied they were more important on nitrous engines. Especially those that have limited camshaft core availability when exhaust event timing is very important.

I'm building a new set. Mike, let me know exactly what you need. I think I remember. Will have 6 feet of 4" pipe with X-pipe after collector.

Will guess 2"/2.125"/2.250" 6"/10"/12" on primary length.