^^ those grc cars are still based off the old Cossie Escort drive train. Msports WRC car seems to be running the OE intake mani still (early cars did atleast). It seems they have moved onto something else. That will be a bolt on part. Just like the cosworth "race only" intake mani's fit the 2.0 & 2.3 duractec foci and with great results.
This car will be run over 11,000' passes and at miller. It will need all that extra capacity.
I'll have my inlaw bring me the print msport catalog, as he just bought 4 R2's and will be overseas at their shop soon.