So i'm a serial 'improver'.  I've sorted the mechanicals on my 987 2.7 base, it's just back from the bodyshop after having the paintwork tidied up; and i've got and long had a hankering to Remap it. Or have i............?   I've barely read a bad report on Sprint-Booster's. And every buyer / user seems to love them across the car forums. But also having had a previous normally aspirated car remapped - i'm well aware that raw BHP figures mean little in terms of gains after a remap; and