Just my

You can get a set of TTI's for W2 or W5 in raw form (uncoated) And cut the flange off, and weld a W9 flange on. To save some money.

Once the Flange is cut off the tubes move around enough to mate up with W9 ports.

SDG Motorsports
Hellcat Demon and Redeye Supercharger CNC Porting
https://www.sdgmotorsports.com/