Red Bull have confirmed to The F1 Times that they will not be running the F-duct in any of the practice sessions, nor qualifying or the race.
The Milton Keynes based team tested the McLaren innovation in Turkey, however removed the device after the practice sessions as it wasn’t giving the desired results.
Straight-line speed is vital in Canada, as the track features long straights broken-up by quick chicane’s as well as being one of quickest tracks on the calendar, behind Monza.
McLaren, the team which introduced the aerodynamic device to F1 in Bahrain, have perfected their duct over the course of the Winter testing period and the results are plain to see. The MP4-25 is easily the quickest car on the straights, on average, between four and five kph quicker than the nearest rival.
Ferrari, Sauber, Force India and Mercedes are also expected to run their F-ducts in Canada.