Can someone please clarify exactly where the catch can goes? Ie. 1) between the air intake and the port by the oil cap, 2) between the PCV valve and the IM, or 3) both? I've checked the 'c-speedracing how-to' with the SRR can, but the pictures aren't all that clear. The c-speedracing instructions say #2... but I've also read posts with people saying #1. Just a little confused.

I've got a couple industrial pneumatic air filters that I want to ty.

Thanks!