Nico Rosberg claims louder Formula One engines, incorporating a 'megaphone' design, have been tested, and will be seen on track for the first time at next week's Barcelona test. The noise produced by the new 1.6-litre turbo engines has come under scrutiny from most corners of the sport this season with a working group subsequently tasked to find a solution. Mercedes, who supply engines to four teams, have led the development process in cooperation with the FIA. VIDEO Scroll down for Nico Rosberg's selfie in £20Million 1954 'Silver Arrow' On track: Nico Rosberg claims louder Formula One engines will be tested in Barcelona next week . Changes to the exhaust system have since been made and it is understood that the revamped technology, which has involved widening the tail pipe, will be introduced in Barcelona next week. 'Mercedes have done lots of work on trying to make the cars louder and have a greater engine noise,' said Rosberg, who heads into this weekend's Spanish Grand Prix leading the world championship. 'They have come up with good solutions, we have tested them in the factory and they work, so now we will test them on the track next week. 'Then it is a matter for the FIA to get all the teams to agree and try and get the things on the cars.' Rosberg was hesitant to put a . timescale on when the louder engines would be introduced, and warned . that all of the teams would have to reach an agreement before they were . ratified. 'I . understand the cars are not loud enough for the fans and that's part of . the sport's attraction,' added Rosberg. 'It depends on the teams . agreeing so it is going to take a bit of time.' On track: The new 1.6-litre engines, introduced for the 2014 campaign, have attracted criticism this season .
Nico Rosberg says louder engines will be tested for the first time next week .
A working group was tasked to improve the noise after new 1.6-litre turbo engines came under scrutiny from the sport's fans .
Mercedes, in cooperation with the FIA, have led the development process .
Nico Rosberg claims louder Formula One engines, incorporating a 'megaphone' design, have been tested, and will be seen on track for the first time at next week's Barcelona test. The noise produced by the new 1.6-litre turbo engines has come under scrutiny from most corners of the sport this season with a working group subsequently tasked to find a solution. Mercedes, who supply engines to four teams, have led the development process in cooperation with the FIA. VIDEO Scroll down for Nico Rosberg's selfie in £20Million 1954 'Silver Arrow' On track: Nico Rosberg claims louder Formula One engines will be tested in Barcelona next week . Changes to the exhaust system have since been made and it is understood that the revamped technology, which has involved widening the tail pipe, will be introduced in Barcelona next week. 'Mercedes have done lots of work on trying to make the cars louder and have a greater engine noise,' said Rosberg, who heads into this weekend's Spanish Grand Prix leading the world championship. 'They have come up with good solutions, we have tested them in the factory and they work, so now we will test them on the track next week. 'Then it is a matter for the FIA to get all the teams to agree and try and get the things on the cars.' Rosberg was hesitant to put a . timescale on when the louder engines would be introduced, and warned . that all of the teams would have to reach an agreement before they were . ratified. 'I . understand the cars are not loud enough for the fans and that's part of . the sport's attraction,' added Rosberg. 'It depends on the teams . agreeing so it is going to take a bit of time.' On track: The new 1.6-litre engines, introduced for the 2014 campaign, have attracted criticism this season .
Nico Rosberg claims louder Formula One engines, tested, and will be seen on track for the first produced by the new 1.6-litre turbo engines has come under scrutiny from most corners of the development process in cooperation with the FIA. introduced in Barcelona next week. 'Mercedes have fans and that's part of . the sport's