been to ava with my mates fiesta rs turbo done a no bad job but ive heard horror stories from there and been warned many of times to stay away. i work down at semtech motors in kirkintilloch we do everything from engine conversions to mots and services unfortunately we dont have a rolling road to tune things but dunky at hypertech isnt that far away from us to get it rolling road just a heads up about our place but i would defo stay away from ava, if they qoute you a price they have to stick by it unless they contact you and get the go ahead for more more/ money sorry about essay lol