SOME of those headers made by Doug thorley are not made now (too few cars on road running I guess)
do you have this slot?
this header has the magic hidden EGR slot..(and matching new gasket for that , calif CARB certified, DO YOU have the slot; SOME DO NOT.
THY-716Y-C (or THY-716Y-SS) the SS I think is still made, for sure sold.
![[Image: 716C.jpg]](https://fixkick.com/exhaust/716C.jpg)
as you can see this 16v engine had 2 kinds of header,short and long, (calf, and fed)
long tube headers started in CALIF 1992 and later all cards when long.
ending this mess (fails hard) (had after burner plates inside the melt and block exh, flow, yah super bad.. long header is best, and not use below #1 part
![[Image: donut1.JPG]](https://fixkick.com/exhaust/donut1.JPG)
next up CALImini.
long ago they made these too and are very good.
look for the tube #4 port, seen at rear, here os CALMINI header is EGR fitted. SK703Y-S
![[Image: cammini-header.jpg]](https://fixkick.com/exhaust/cammini-header.jpg)
do you have this slot?
this header has the magic hidden EGR slot..(and matching new gasket for that , calif CARB certified, DO YOU have the slot; SOME DO NOT.
THY-716Y-C (or THY-716Y-SS) the SS I think is still made, for sure sold.
as you can see this 16v engine had 2 kinds of header,short and long, (calf, and fed)
long tube headers started in CALIF 1992 and later all cards when long.
ending this mess (fails hard) (had after burner plates inside the melt and block exh, flow, yah super bad.. long header is best, and not use below #1 part
next up CALImini.
long ago they made these too and are very good.
look for the tube #4 port, seen at rear, here os CALMINI header is EGR fitted. SK703Y-S
http://www.fixkick.com