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tomm.brz · 10-31-2019, 11:27 AM

The wrx pcv will block anything coming from the manifold
Exactly like the check valve you want to put

The problem of the oem pcv is that it leaks from manifold to the block, with the wrx pcv you can skip the check valve

10-31-2019, 11:27 AM	#35
tomm.brz Senior Member Join Date: Jan 2017 Drives: brz 2017 hksv2 Location: italy Posts: 2,282 Thanks: 515 Thanked 1,123 Times in 813 Posts Mentioned: 70 Post(s) Tagged: 0 Thread(s)	The wrx pcv will block anything coming from the manifold Exactly like the check valve you want to put The problem of the oem pcv is that it leaks from manifold to the block, with the wrx pcv you can skip the check valve