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  • New Caterham silencer

    Even lower noise for track day Caterhams. To cope with increasingly strict and continuously monitored drive by noise limits BTB have developed a new silencer containing wave cancelling expansion elements that successfully attenuates the lower frequency noises that are not addressed by conventional absorption only silencers. This design enabled this caterham R300 owner to attend his local Donington Park sessions without having to back off every time he passed the noise meter.