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Alex's right I reckon - no intercooler present - you really should have one. The 1z part you need is 1H0129654K - couple on ebay at the moment - that'll connect to the turbo compressor and give you an inlet for both the MAF and the CCV pipe. Alternatively you could find a silicone fitting I'm sure. Being at 50 degrees does cause a bit more oil to be into the induction tract because of the design of the CCV itself - but in a healthy engine without excessive blow-by it shouldn't be too much. Some people vent this pipe to a "catch-can" - but if you revert to standard jx pipe and catch can you'd still need to figure out somewhere to put an intercooler or chargecooler..