Silencer 3,5" Stainless Length (Body) : 500mm diameter : 220x140mm oval Connections : 89mm (inner, slotted also suitable for construction with clamps) Power Specification: up to 900PS SIMONS Silencer have a reputation for a very good noise reduction. We use them in several vehicles and are surprised by their excellent sound. All Silencer are made of stainless steel and also are their connectors. Made in Sweden (no China Production) No TÜV/ MOT label or similar. Just for Racing or special permission §21.