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Catch Can setup

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The webinar was very detailed and really informative . But wanted to ask I have seen some pictures of the rocker cover still using a breather to air while using a 4port catch can 2 from the rocker cover and 2 from the crankcase . Is this nessesary ? For example a Honda Bseries has on the rocker cover a breather that goes to the intake pipe . Is this supposed to saty there or can you weld it and just have the 4 ports setup as mentioned above ?


hello you can weld up the factory hose fitting when using a catch can if you like

Regards Ross

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