Yes the CTA PIPE is all 3" but what is it that connects to the TB? OO a silicone elbow. I'll be putting my optimized TB on soon and I'll post again about it. But it's strange how I had that 2" rubber coupling on there, I do remember having to shove a little, so maybe it's a little over 2" but not near 3". Maybe you have a freak TB? Or maybe I have a freak TB?
