Force India's long-awaited 'B-spec' Formula 1 package was the headline technical upgrade introduced during Friday practice for the British Grand Prix.
The Silverstone circuit demands strong aerodynamic performance, so this is a key point of the season to introduce new chassis developments.
While nearly every team has brought detail updates, the key developments came from Force India and Manor, while Ferrari brought a change in direction to its front-end aero philosophy.
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