Different exhaust temps

[Mr Gazza]

Originally Posted by utopia

Although, particularly in the case of the second example, it does look like some flow back up the other header is feasible.

I agree that little piece of box doesn't look as if it will be very effective at sending the pulses in the right direction.

Actually I think most of my objection to the standard cruciform is the external seam which looks a bit 70's Honda-ish to me, and it's hard to polish in the dimple.