hi ive had my scooby about a month its a bug eye sti uk (261bhp) all its got is an exhaust (dont know wot make it was on the car when i brought it ) i dont drive it hard just normal most of the time and i seam to get around 200 mile out of £50 using super at £117.9 is this about the norm as most people ? will it hurt if i use 95ron as its a uk car not jap import ?? if i get an electonic boost controller and reduce the boost when not needed will i get better mpg ? thank you for reading thank you if you can help ..