Intercooler outlet to throttle body pipe

[2014RedBull]

Does anyone know why the plastic intercooler to throttle body pipe "necks" down in the middle? I'm upgrading to the 70mm TB. I'd like the correct sized hard pipe with a BOV?

 

[2014RedBull]

Crickets, crickets, crickets. Someone else here has done this mod.

 

[Autox4fun]

EPP Noisemaker Eliminator Pipe | Taurus SHO, Flex 3.5L EcoBoost

Aluminum noisemaker eliminator pipe replaces the factory sound symposer on 3.5L EcoBoost. Stops boost leaks from cracking plastic. Includes MAP sensor mount. Already included in full hot pipe kits.

ecopowerparts.com

this dude?