KTM Duke Super R (2014–2019) Scorpion Exhaust Serket Taper Slip on Titanium Filters tested by the Casa Lambretta 00 Petrol 1982 To tested by the Casa Lambretta Racing Team Indian models have a 35mm taper Scorpions performance exhausts perfectly compliment the KTM’s looks and performance but most of all give a deeper sportier tone than the OEM exhaust With its history dating back to the 1930’s KTM has a chequered past of highs and lows but since the 1990’s the Austrian manufacturer has been going from strength to strength and in that time has grown to be one of the most successful brands in motorsports with numerous Dakar Rally victories to name a few