It has the added benefit of keeping the rear shock cooler, ensuring longer life and reducing damage. Compatible with OEM silencers/mufflers that are compatible with original catalytic converters. Made of 304 stainless steel with a thickness of 1mm/0.04in, it is glossy, heat resistant, heat resistant and durable. Reduce heat, increase airflow and improve performance. De-cat pipe weight is 770g/1.7lbs, original primary and secondary weight is 4.01kg, saving 3.24kg/7.1lbs weight of catalyst section. Increase the gain in the 5-6 HP range and add this to get the sound and performance No changes required. (Remapping, Power Commander). The lambda sensor (O2 sensor) is located on the original front pipe which is retained and used in this upgrade. The Decat Performance Midpipe replaces both primary and secondary catalytic converters to produce a free-flowing exhaust. Directly replaces the mid pipe with KTM125 250390 Duke/RC3902017+.

Function: 1. De-cat Performance Mid Pipe replaces both primary and secondary catalytic converters to produce free-flowing exhaust. Direct replacement fit for 125250390 Duke/RC3902017 + Mid Pipe. 2. It has the added benefit of keeping the rear shock cooler, ensuring longer life and reducing damage. Compatible with OEM silencers/mufflers that are compatible with original catalytic converters. 3.Made of 304 stainless steel with thickness 1mm/0.04in, good gloss, heat resistance, heat resistance and durability. 4. Reduce heat and increase air flow. Performance decat pipe weight is 770g/1.7lbs, original primary and secondary weight is 4.01kg, saving 3.24kg/7.1lbs weight in catalyst section. Add this midpipe and you'll get sound and performance in the 5-6HP range. 5. No changes required. (Remapping, Power Commander). The lambda sensor (O2 sensor) is located on the original front pipe which is retained and used in this upgrade. Specifications: Condition: 100% Brand New Item Type: Exhaust Mid Link Pipe Material: 304 Stainless Steel Applicable Model: RC390 2017-2020 Compatible with KTM125 Duke 2017-2020 Compatible with KTM250 Duke 2017-2020 Compatible with KTM390 Duke 2017-2020 Compliant with Package List: 1x Exhaust Mid Pipe 1x Screw Pack Note: This kit requires the use of your existing OEM clamps and gaskets.