Mercedes’ attempts to up the volume of the current engines with a new style exhaust has been a failure, Nico Rosberg has reported. The Brackley-based outfit became the first team to trial a new ‘megaphone’ exhaust on Wednesday, in response to criticism over the reduced volume of the new for 2014 1.6 litre V6 turbo power units. Rosberg ran back-to-back tests with the new exhausts fitted to the W05 in the morning, before switching back to a more conventional exhaust set-up in the afternoon. 'Unfortunately it didn't change anything so we need to keep pushing,' he explained. 'We want to, as a team, make things louder for the sport. “We need to keep pushing and try some other solutions...
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