- Rockwool packing material for enhanced temperature resistance
- Offset/centre configuration suits various installation requirements
- Included spigots ensure secure exhaust system connections
The str7765-409r is a 3-inch mega flow muffler featuring rockwool packing for improved thermal performance. This 409 stainless steel unit measures 355mm (14 inches) long with a 228mm x 101mm (9 x 4 inch) oval barrel in offset/centre configuration. The perforated internals combined with rockwool packing material provide effective sound dampening, while the included spigots facilitate straightforward installation.