I have read that a larger plenum intake, which would be the clifford in this case, is better for a turbo engine. I have no dyno time to confirm this. I think with smaller engines, a plenum with a volume approximately 1.5x engine displacement helps with power. I don't know if at the power levels or engine displacements we are talking about here that this is required or desired. I personally am running the clifford.

"The first rule of overkill: You can never have too much overkill."
"Overkill is underrated."