the diameter on the outlet side of the 4th Generation Muffler. I am in the middle of picking a BANZAI 3 1/2 inch Resonator tip that has an inlet size of 2 1/4 inch. As far as I know, the exhaust pipe is 2 1/2 inch on a 4th Gen, but I am hoping the outlet size on the muffler to be smaller.

Also, if you have ever had any experience with BANZAI tips, please share

Thanks