I installed a aluminum Weapon-R catch can on my FX35 and noticed a hissing sound. No leaks anywhere it appears it's noise being generated by the catchcan. I have one hose going to the valve cover (where the stock breather hose is and the other on the tube coming off the factory plenum. My install is just like everyone elses so I was checking to see if anyone else noticed this type of sound post catch can install. It sounds like air moving thru the can creating some external hissing type sounds. Thanks fellas!
View attachment 195647
View attachment 195647