With the elephant mof do i really need to put a filter on the end of the pipe what runs down the bak of the engine. Because i would of thought that it would increase crankcase pressure if you do fit the filter

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Don't use filter if only got the pipe, it will clog and that will increase the pressure. Filter is if you use a catch can

Dont have to use a filter on a catch can either.

Sweet thanks lads

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