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- The bonded dual-layer foam design filters even the smallest dirt particles while providing greater airflow than filters with two separate layers (flow-bench tested)
- Twin Air filters are slightly smaller than the originals, making them easier to replace while increasing air circulation around the filter for better performance
- The flat foam sealing ring ensures a secure fit with the airbox, even in the worst riding conditions
- Applications:
- - KTM 690 Duke R (1993-2002)
- KTM 600 LC-4 (1993-1999)
- KTM 640 Duke (2008-2010)
- KTM 640 LC4 Supermoto (2008-2010)
- KTM 640 LC4 (1993-2002)
- KTM 350 LC-4 (1993-1999)
- KTM 400 LC-4 (1993-1999)
- KTM 620 LC-4 (1994-1999)
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