I will briefly describe and add more later:
Header 1
Handbent style!.. motor inclined like cb750
between pipes like same point on both.
#1 -#4...11 1/4 inch... between pairs 3 1/4 inch, pipes are 1.4 inch OD
pipes seat on the same plane....not splayed
has aluminum can with 1.5 id baffle
Header 2
3 of the pipes have a s shaped bends at front, motor inclined around 15-20 deg.
between pipes #1 -#4 ..12 3/8 inch .. between pairs3 3/4 or 3 7/8 inch.. pipes are 1.5 OD
Alum can with 1.25 inch ID baffle.
Both cans are 10 inches lonf on the fat part, and step down each end and have a Yoshimura logo on the end piece.. pipes themselves are good but rusty and not dented.
Want to Id and will sell them on here..
