In episode 1 I did a run on 25 litres of SPC LEVO 98 without XFT and I got a milage of 316.3km. br Xtreme Fuel Treatment Review :Episode 1 (Milage without treatment)br br In episode 2 I did a run on 25 litres of SPC LEVO 98 with XFT and I got a milage of 319.1km. Not much of a difference but that is what most of the users felt as well.br br Xtreme Fuel Treatment Review :Episode 2 (Milage with 1st treatment)br br br In this episode I used the XFT ( 2nd treatment ) and did the same test on 25 litres of SPC LEVO 98. Amazingly I saw a significant increase in milage. I got an extra 63.6km which is an increase of 20.08 from my first run without the treatment.