Daniel Ricciardo fears next year's regulation changes could make F1 "very dull" due to increased levels of downforce.
Sweeping regulation changes are due to be finalised at the end of April, with a downforce increase of 30% hoped to make cars up to five seconds faster per lap. However there are ongoing concerns over the adverse effect the lowered lap times could have on racing, with cars becoming harder to follow and overtake.
Mercedes boss Toto Wolff has said the amount of downforce included in the regulations changes is "a mistake" and Red Bull driver Ricciardo agrees this is not a step in the right direction.
"For the tempo, for the whole pace of the race needs to be quicker, a bit more intense," Ricciardo said. "And to have high speed corners, to be able to push the cars through the high speed more. I don't want to bolt on a whole lot of downforce and then be unable to follow another car. Qualifying would be fun but it would make the Sundays very dull.
"In an ideal world, whether it is through the tyres, having more grip from the tyre itself, to be able to go through the high speed and be more on to the driver. When I tested in Jerez the first time in 2009, all the high speed corners were up to me. The car was going to stick; it was how much I was willing to push it. Now I feel that there are a lot of corners on the calendar where you get to your limit."
Despite winning three races in 2014, Ricciardo and Red Bull were hampered by an uncompetitive power unit for the first two seasons of the V6 turbo era. Ricciardo feels there needs to be more parity in power units to improve the quality of racing.
"The power units are quite complicated. It is easy for me to say because we have been on the shorter end of that straw the last few years. Just generally though, to have a bit more equality through horsepower, just to get the teams to design a better car. If we could all have a similar straight line speed it would bring it all a bit closer."