Not necessarily Slapper....... The flame from a backfire is contained in the connector hose, But..... The extreme heat has to go someplace under the backfire pressure, So it hits the end of the pre-cleaner and melts the media with no flame marks......
Originally Posted by piston slapper
You never learn anything until you admit you don't know it all...
"Why go out preserved when you can go out beat up, worn out, sliding in sideways screaming, Holy Sh!t What A Ride" !!!