Exhaust pipe size ID or OD???
I'm just working on my new header and working on the choke after the collector. Can I assume the 2.25" choke I'd inside diameter? As most of us know some pipe/ tubing is thick. 2.25" outside diameter is almost 2" ID. Just want to make sure it's ID
Sent from my iPhone using Tapatalk
Sent from my iPhone using Tapatalk