tits in the exh ports on heads

[FastRegalWE2]

what are they?? EGR path??? I just started porting my 6293 heads and those tits are in the 2 outer exh side. What do I do to/with them???
TIA

 

[turbo buicks]

your heads have tits/boobs? wtf???

hahahah boobhead

flag is raising

 

[FastRegalWE2]

wow, that was helpful thanks alot