just a couple of questions about your catch can: how do you know how much it has ( or hasn't) got inside it, and how do you empty it ?

 

I check it on a weekly bases. I welded a 10mm nut on the bottom with a bolt and nylon washer. I secure the catchcan to the lower frame rail with a "nutsert". One bolt on and off. real easy. and yes it works very, very well.