Quote Originally Posted by DoubleD View Post
I run a 3" intake on the Holset on my RT at 30+ PSI, I would think that should be large enough. My motor is requiring 1050 CFM of air.
Doesn't your Holset have a 4" inlet on comp housing? (I believe you said HE341?)

Personally, I would never run a smaller intake than the compressor housing size.........