If the standard factory system Peter, the oval silencers MEX1105 fit Plus 4's at least back to 2006. Just sold each of mine.

They can be a useful replacement for MEX1107 straight through sports equivalent if excessive noise is an issue.


Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone