The Remus connection tube for the 2018 KTM 125 Duke (11 kW, Euro 4) is identified as the model-matched mid-pipe for that small-displacement KTM. The description lists year, model and output to confirm fitment. This summary keeps the application explicit and positions the part as the designated connection tube for the 2018 125 Duke Euro 4.
Remus 2018 KTM 125 Duke 11kW (Euro 4) Connection Tube