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or MX engine preparation
Shackle diameter: 16 mm with double locking pin
Suitable to use on bicycles
PERORMANCE
TWIN AIR Pre-Oiled Decibel Reducer Air Filter - 154117DRX HSQ - T-Shirts and Polos or MX engine preparationTwin Air brings race proven technology to consumers with the new Decibel Reducer (DR) foam . With the FIM implementing the 109dB noise limit, manufacturers have had to adapt their engines to comply. Twin Air also explored solutions to meet this benchmark while maintaining performance. During the 2025 MXGP season, noise control was already set to 109dB. Working closely with factory teams, we developed a solution to reduce intake side noise. Leveraging
