2017-2019 KTM 125 Duke 125/KTM 250 Duke 249/KTM 390 Duke 373 Replacement Drop In Air Filter (KNNKT-1217) Fabrication>Wire Loom The valve-less architecture with optimized

The valve-less architecture with optimized tube geometry and X-connection tuning produces a sophisticated

Front Lift Method : Leaf Spring

FASS Whisper Technology (FWT) was engineered to meet the stringent demands of today’s quiet diesel engines

This system is designed as a slip-on and is intended to mount to the stock head pipe or a compatible Big Gun EVO R head pipe

Fine Tune The Ride With 8 Clicks Of Adjustment

2017-2019 KTM 125 Duke 125/KTM 250 Duke 249/KTM 390 Duke 373 Replacement Drop In Air Filter (KNNKT-1217) Fabrication>Wire Loom The valve-less architecture with optimizedBreathe easy and boost performance with the Universal 2017 2019 KTM 125 Duke 125 KTM 250 Duke 249 KTM 390 Duke 373 Replacement Drop In Air Filter from K&N. This high flow replacement air filter is designed to increase horsepower and acceleration while providing outstanding filtration. Unlike disposable paper filters, K&N filters are washable and reusable, so you buy once and never worry about replacements again. Features High flow design for increased