Sauber says its planned aerodynamic updates ahead of the Singapore Grand Prix will make a significant difference on the tight and twisty Marina Bay street circuit.

Both Marcus Ericsson and Felipe Nasr will be handed the aerodynamic upgrade in Singapore and are set to run rigorous tests on the new package during the free practice sessions.

"Having closed the European season on two high speed circuits in Spa-Francorchamps and Monza, the Sauber F1 Team will face some sort of major changes upon returning to Asia," Giampaolo Dall'Ara, Head of Sauber track engineering, said. "Firstly the street circuit in Singapore presents totally different characteristics in terms of cornering speeds, set-up and aero efficiency requirements.

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"Secondly, the Sauber C34-Ferrari has undergone a rather significant aerodynamic refinement that will require track validation."

Ericsson, who arrives in Singapore off the back of three consecutive point finishes, is in an upbeat frame of mind and is confident the upgrades can help him maintain his strong run of form.

"I am looking forward to the Singapore Grand Prix because of our aero-update," Ericsson said. "Our goal is to get the maximum out of this innovation. It is always a very special race that I like a lot. I can hardly wait to get to Singapore, as this street circuit is one of my favourite tracks."

On the other side of the garage Nasr has recently missed out on the points by narrow margins and hasn't picked up a single F1 championship point since Monaco. The Brazilian rookie says Singapore requires perfection and is excited by the potential boost the new aero package will provide.

"You need to drive very precisely through every one of the 23 corners on each lap, especially the tight ones," Nasr explained. "We also have our aero-update there, which is important and encourages everyone in the team."