Caterham F1 to remove dubious exhaust on CT03

Caterham has followed Williams' lead by removing a dubious solution for its Coanda-effect exhaust from its 2013 car.

Williams tweaked the specification of its FW35 as last week's testing concluded, and on Thursday - as the final days of running in Barcelona began - it was clear Caterham was also now fielding a more conventional design.

In the green car, Frenchman Charles Pic ended Thursday's running a half-second behind the Marussia.

In Speed Week, technical expert Gary Anderson said the black and red Lotus is offering drivers Kimi Raikkonen and Romain Grosjean "outstanding" traction.

"In that respect," he said, "the Caterham is the opposite of a Lotus."

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Leopold

Leopold Pleijsier founded F1-Fansite.com in 2001 and has followed Formula 1 since the early 1980s. He writes about daily F1 news, race weekends, drivers and the sport’s history.

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