Originally Posted by jlude90
also, why do headers work off of scavenging, and why a tuned exhaust works better, using sound waves to extract exhaust gasses?
im just sayin things i've heard, please comment
Nope your right, thats why F1 teams would use variable length exhausts (and intake runners) if the FIA didn't ban them.
Get your exhaust design right, and you can actually achieve over 100% volumetric % just on the scavengeing effect alone.