BMC Racing Air Filter Yamaha YZF-R6 RJ11 2006-2007 FM450/04RACE

The BMC Racing air filter FM450/04RACE is engineered for Yamaha YZF-R6 RJ11 riders who demand more from their machine. Wearing BMC's instantly recognisable yellow stripe — the visual hallmark of their motorsport heritage — this Race-specification filter carries the same DNA as units developed for world-class competition, brought to the road and track in a direct-fit format that mirrors the OEM airbox geometry exactly.

Key Features

• Significantly increased airflow over the stock filter, freeing up power without sacrificing filtration integrity
• Race-spec filter medium maintains high-level engine protection against harmful contaminants even under demanding conditions
• Retains the identical shape and dimensions of the original Yamaha filter for a straightforward, tool-friendly installation
• Distinctive yellow stripe identifies this as a genuine BMC Racing unit and signals its performance-oriented construction
• Optimised for modified YZF-R6 engines paired with remapped or aftermarket ECUs, where increased airflow demand is greatest

Design, Finish and Heritage

BMC has been supplying filtration technology to MotoGP and World Superbike teams for decades, and the FM450/04RACE reflects every lesson learned at that level. The yellow stripe is not merely decorative — it is a lineage marker, distinguishing the Racing range from BMC's street-oriented filters and signalling an elevated standard of media construction. Where the standard Yamaha filter prioritises longevity under normal use, the Race filter uses an advanced filter material layered and oiled to a specification that opens up airflow corridors while still capturing fine particulate matter. The result is an engine that breathes more freely throughout the rev range, translating directly into sharper throttle response and stronger top-end pull — precisely the characteristics that matter when the ECU and fuelling map have already been revised for performance.

Performance and Suitability

This filter is the correct choice when the YZF-R6 has moved beyond stock specification. On a standard, unmodified motorcycle the gains are present but modest; on a machine with an aftermarket exhaust, a tuned throttle body and a custom fuel map, the FM450/04RACE removes the airflow restriction that would otherwise become the limiting factor. Installation is as straightforward as a standard service item — the filter seats directly in the OEM airbox without adapters or modification, making it equally suitable for a track-day preparation session or a workshop ECU remap appointment.

Fitment and Compatibility

• Yamaha YZF-R6 RJ11 — model years 2006 and 2007

Specifications