- Compact design for tight installation spaces
- Larger tube diameter for increased flow capacity
- No spigots design for direct welding applications
The a618gpn is a universal oval muffler with a 127mm x 76mm (5" x 3") barrel and 305mm (12") length. Constructed from aluminised steel with centre/centre configuration, it features megaflow internals, perforated tubes, and glass packing. This unit accommodates 57mm (2 1/4") tube connections and is supplied without spigots for direct welding to exhaust systems.