P Powder Man Active member Lifetime Membership Feb 9, 2011 #1 I'm not by my sled and I need a measurement. What is the diameter of the end of the header where it connects to the muffler. I'm trying to order a clamp on o2 bung and need the diameter, thanks.
I'm not by my sled and I need a measurement. What is the diameter of the end of the header where it connects to the muffler. I'm trying to order a clamp on o2 bung and need the diameter, thanks.
