when the DC headers are going to be available?

 

its already out.

http://www.mcgeorgeparts.com/

 

when people will stop posting half a question in the Subject heading to get views on dumb questions?

again, it's already available

http://store.racinglab.com/20sctcdcsphe.html

it's a 4-1 header, I thought 4-2-1 headers performed better? or am I wrong as usual?

 

sadly never