Original condition,ie no modifications.
MPG:18/01/2011:First full tank.Running-in obviously,no hard acceleration,warm-up every time.To and from work,round trip 15 miles.260kms.10.08litres to fill tank,gauge was on reserve.26kms/litre,16.12mpl,73.3mpg.3/2/2011;2nd fill up:9.7litres,gauge was on reserve,297kms,=30.62kms/litre,=87mpg.4/2/2011,refuelled at Peterborough services,8.98litres,300kms,==95mpg.
http://www.amazon.co.uk/2010-2013-Exhaust-System-Evo-II-Stainless/dp/B00J21AA6M