Is there such a thing? I know they exist for b series, i have seen two eg's with that style of header, one of which i know for a fact had a jdm c5 under the hood, however i'm not able to find much info on them. I'm looking for actual information, not oh that's rice to sound like a subie...

mods if this is in the wrong place please feel free to move it...

 

I've heard of such things. Mostly for turbo applications.

 

My ebay header is that way Cylinder 1 tube goes down and behind all the other tubes and is mated into the cylinder 4 tube.

 

Sorry but would you want "unequal" length header?

 

Idk why you would because the exhaust pulse's would be off and unequal causing less performance.