There’s always a crazy amount of interest around the rear of F1 cars, ever more so since the whole double-diffuser debacle back in 2009 when it dawned (Brawn-ed?) on everyone how much could be gained within the regulations.

More recently, exhausts have been a talking point, again with much to be gained from ‘blowing’ exhaust gases, aka hot air over certain parts of the car.  Think Lotus and their bonkers forward facing exhausts…

Anyhow, fast forward to 2013 and the rear of the cars is still a focal point with different engineers exploiting (or rather interpreting, ahem) the rules and regulations in their own way. So, thanks to our buddies at Octane Photos we can bring you a gallery of the rears of the year…