what size thread ???

[Nismo240s13]

what size thread bolts on to the egr tube from header

 

[edrift305]

are you trying to plug it?i used jb weld and stuck a quarter in there and it works for me

 

[Nismo240s13]

im gunn go legit and buy a cap

 

[Becker-Racing]

on a good day i might be pushin bout 2 1/2 to 3 inches....depends on how excited i am at the moment.

 

[Nismo240s13]

huh^^^