Description AussieSpeed 4 stroke go kart, Mini bike muffler. This muffler suits 25mm pipe & is designed to be clamped. The muffler has been used with the Aussiespeed AS0286 25mm header pipe.designed for good torque on junior 206 & local 206 or intek engines in commercial applications where an external muffler is required. Muffler is finished in a high temp paint.The dimensions of the AussieSpeed AS0278 are pipe id inlet end 26mm muffler length 185mm muffler od 55mm Subaru Go kart Performance pipe & muffler kit, Aussiespeed Small Engine Performance Header Pipes & Mufflers offer a wide range of oval track stepped headers & high torque sprint kart 4 stroke exhaust systems