MWR High Efficient Air Filter – Yamaha R9 / MT-09 / Tracer 9 / XSR900
Upgrade airflow and engine performance with the MWR High Efficient Air Filter, developed for both street and race applications. MWR’s unique filter design is engineered to improve airflow to the engine while helping reduce intake noise and turbulence.
Fitment
- Yamaha R9: 2025–2026
- Yamaha MT-09 / MT-09 SP: Gen 4
- Yamaha Tracer 9 / Tracer 9 GT: 2025–2026
- Yamaha XSR900 GP: 2024–2026
- Yamaha XSR900: 2024–2026
Race-Derived Airflow Technology
Inspired by technology developed for WorldSBK applications, the MWR High Efficient Air Filter uses an aerodynamic plate system designed to distribute airflow more evenly across all three cylinders.
Its dual-plate construction helps reduce turbulence behind the plate while increasing and stabilizing the speed of the incoming air. The resulting airflow can improve cylinder filling and provide additional tuning potential, particularly when optimizing ignition and fueling.
For the best performance results, ECU remapping or the use of an appropriate fuel-control module is recommended.
Optional Airbox Modification
For riders looking to further optimize airflow, an optional modification can be made to the airbox tubes. The tubes can be shortened approximately halfway and cut at a 45-degree angle, with both tubes cut to the same height. Refer to the product image for the recommended configuration.
Important: This airbox modification does not apply to the Yamaha R9.
MWR High Performance Velocity Stacks
MWR High Performance Velocity Stacks are also available for compatible Yamaha models. The two-piece design provides a clean, precise seal with the airbox while further optimizing the intake system.
Part Number: MWR-VS-910
No modifications are required for installation.
MWR Air Filters are built upon 2 decades of experience in developing and producing high performance air filters for road, race, and off road use.
This experience has been gained working with some of the biggest air filter companies in Europe in areas such as World MX, Dakar (bikes, cars and trucks), Moto GP, WSB, BSB, AMA and even Rallycross. The knowledge gained during this period was invaluable and led MWR to develop their range of performance foam filters.
The Performance Filter (MC-090-09)
This filter is a direct performance upgrade from your bikes standard filter. Offering better airflow and protection than the original, this filter will (when maintained correctly) last the life of your bike, simply clean and re-oil once a year.
The HE (High Efficient) air filter (MC-090-09-HE) for road & race bikes
The revolutionary HE Air filter increases power and reduces intake noise. Unlike any other sports filter all inlets will get the same quantity of air, regardless of the speed of the motorcycle or wind directions. This is because of the unique design of the Air Splitter Plate (see illustration to understand how the Air Splitter works) and how it evenly distributes air throughout the airbox. No different fuel-mappings between internal & external or front & rear cylinders are needed. Clean and re-oil once a year.
NOTE: For the best performance, Order two more of the Shortest velocity stack that comes in your Airbox from your local Yamaha dealer, and replace the two taller stacks
Product Specs
| SKU: | MC-090-24-HE |
|---|
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