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Red Bull Racing will try out its version of the F-duct at this weekend's Turkish Grand Prix as it bids to maintain its advantage at the head of the field.

As part of a raft of updates that the team is introducing for Istanbul, world championship leader Mark Webber has confirmed that the team will try out a F-duct during Friday's free practice sessions.

"Yes, we will give the F-duct a go tomorrow," Webber said during a pre-event press conference in Turkey. "We will give it a chance."

The F-duct provides a straight-line speed advantage through helping stall the rear wing, with McLaren having led the way in pioneering the concept at the start of the season.

BMW Sauber, Williams and Ferrari were the first teams to introduce their versions of the design, while Force India and Red Bull Racing will be using their devices for the first time in Istanbul this weekend.

Although Red Bull Racing heads into the Turkey event as clear favourite for victory, Webber thinks there is no guarantee that his team will be ahead of the opposition this time out.

"I think it will be hard to do it again like Barcelona," said Webber, referring to the team's total domination of qualifying in Spain. "Venue to venue things can move around, and we saw in Barcelona that things could be a bit different.

"Lewis [Hamilton] was our closest competitor at that track, so if we had Turkey after Barcelona you could say McLaren would be our closest challenger here. But we are mindful that if Ferrari or Mercedes have a clean weekend then lots of guys can come towards us. We are not taking anything for granted."