Mercedes are testing a new exhaust design in Barcelona on Wednesday aimed at making the sound of the new Formula 1 engines louder. F1 boss Bernie Ecclestone is among those concerned the new turbo hybrid engines do not sound dramatic enough. “If the fans want to have more noise, then we'll go for it” Mercedes motorsport head Toto Wolff Mercedes are testing a 'trumpet' extension at the Circuit de Catalunya. The results will be analysed by the sports' governing body and discussed with teams before bosses decide whether to adopt it. Also on Wednesday, Williams development driver Susie Wolff is taking part in a full day's testing in preparation for her appearances in first practice...
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