The 'double' diffuser scheduled to be added to the Red Bull package at Monaco will not be the definitive version, team boss Christian Horner has revealed.

The 'double' diffuser scheduled to be added to the Red Bull package at Monaco will not be the definitive version, team boss Christian Horner has revealed.

Red Bull Technology designer Adrian Newey was absent from a second consecutive grand prix last weekend, as he worked on modifying the unique rear of the RB5 to accommodate the newly legalised concept.

But to Germany's Sport Bild, Horner insisted that the Monte Carlo specification will only be the "first stage" of Red Bull's diffuser.

"The final version is planned for the race at Silverstone," he revealed.

A similar story is also emerging from some of the other teams that only recently questioned the legality of the 'double' diffuser concept at the Court of Appeal.

Ferrari's interim double diffuser will appear at the forthcoming Spanish grand prix.

"In terms of development, the situation gives you massive possibility for future development, but it will take time," team boss Stefano Domenicali said.

"But at least the first prototype should be ready for the next race," he added.

Renault already has a double diffuser running on the R29, but more refined specifications are in the pipeline, Flavio Briatore has revealed.

"Our first version is not what we believe is the best. In Barcelona we will have another step and I am sure in Monte Carlo we will have a big one," the Italian said.

 

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