This is mine, heavy shade cloth covering, conveyer rubber mud flaps.
Pretty much his normal look
Handbrake?My stone guard hasn't effected my consumption at all, in fact something I did has improved it........must be something about the design and the airflow at the back of your vehicle I know mine is running about 2l/100k better than before but couldn't think of what I've done, maybe my design has improved the aerodynamics ??????.........that would be a fluke for sure.