Andy I'm not a fan of the rollers iver but wot I will tell you about your set up give Karl at NMS he did my focos and it's stunning and when Rex's escort needed doing he did his and rex is over the moon with it and as you have air injector boost control karl can give you a 12 stage boost control. Give him a call
he is in alferton on the A38 just off the M1
he live maps every car on the road witch is the real world ware cars live they don't live on the rollers