[bbbentley]

Originally Posted by big gear head

I've seen boats with a woven stainless steel type filter, or flame arrestor. I don't know how well they filter, or how much air they will flow.

I've seen velocity stacks with small round paper filters on top.

Not versed in boat setups, but I don’t think boats will provide much useful info except what Scott pointed out. That being, the flammability of a filter material, which is a good point.

I do not want anything sitting on top of the stack. Must be concealed below the top of the stack. Thanks.