Twin Air Standard Air Filter for KTM (154112)

The Twin Air Standard Air Filter, Part Number 154112, is designed to provide dependable engine air filtration for compatible KTM motorcycles. Its dual-bonded foam construction captures even the smallest dirt particles while supporting greater airflow than two separate-layer filters, a performance advantage verified through flow-bench testing. This design helps deliver clean, consistent intake air in demanding off-road riding environments.
Twin Air made the 154112 filter slightly smaller than the original equipment filter to simplify installation and removal. The reduced profile also increases the dead-air space surrounding the filter, which can help promote improved airflow performance. This practical design makes routine maintenance faster while maintaining the filtration protection required for dusty trails, motocross tracks, and other challenging conditions.
The flat foam sealing ring is engineered to seat securely against the airbox, helping prevent unfiltered air from bypassing the filter. Its reliable seal remains effective even during severe riding conditions, providing added confidence when terrain, vibration, and dust place extra demands on the intake system. As a replacement air filter from Twin Air, the 154112 combines proven foam filtration technology with a service-friendly design for KTM applications.

Features:

• Dual-bonded foam construction filters out very small dirt particles while allowing increased airflow.

• Flow-bench-proven design provides efficient air movement compared with separate-layer filters.

• Slightly smaller than the stock filter for easier installation and removal.

• Increased dead-air space around the filter supports improved airflow performance.

• Flat foam sealing ring seats securely against the airbox in demanding riding conditions.

• Brand: Twin Air

• Part Number: 154112

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