This is the Spark Arrester called a Fire Sceen or Net and mounts inside the Muffler with the Bolts of the End Turn Down Cap.- Same as 18171-112-0000
This is the Rubber Mount Bushing for the Muffler it measures 30mm O.D the Hole is 8.5mm the width on the Inner Metal Tube is Approx 24mm and the Width of the Outer Tube is 17.25mm.
