Originally Posted by Karlos G

Yes because it eliminates fuelling issues if you have a leak, I vent to atmosphere, no engine on the planet prefers dirty oily air to fresh! lol

Originally Posted by rsmog33

I couldn't agree more. Do you use a catch tank or vent through a mini breather filter to atmosphere???

Originally Posted by Piston Broke

But the part i dont follow is, wont it kill the vacume. ie like when you remove the oil cap it kills the engine ? so by putting a K&N on the baileys tank or whatever make isnt it just like doing that ?? thanks, just intrested