Is the measurement inside diameter or outside diameter ?
Verified Reply - Steve
Hi Bobby, I'm glad to assist you! The diameter of this MagnaFlow Smooth Transition Y-Pipe - Part # 10778 is measured by inside.
Which side is 2.5 and 3 in and is that id or od
Verified Reply - Solomon
Hi Bobby, I'm glad to help you! This MagnaFlow Smooth Transition Y-Pipe (Part # 10778) has an inlet diameter of 3-inch and the outlet diameter is 2.5-inch.
Are the intlet and outlet reversible?
Verified Reply - Solomon
Yes, Mike! This MagnaFlow Smooth Transition Y-Pipe - Part No. 10778 is reversible.
what is the center mesurement from the two pipes
Verified Reply - Steve
To know the center measurement from the two pipes of this MagnaFlow Smooth Transition Y-Pipe, Aluminized, 2.5/3 x 10 in. (Part No. 10778), please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and one of our representatives would be more than happy to assist you.