Stock HA header tube diameter

[MoeJr]

What is the diameter of the stock header tubes on our HA's? TIA!

Moe

 

[MoeJr]

Wow I am shocked none of the gurus on this board have chimed in yet.

 

[tb3]

I will measure when I get home tonight unless somebody else beets me to it

 

[Lee Thompson]

I believe

1.5 in. OD.

 

[MoeJr]

I am a little late but thanks Lee