id love to see Alan at AVA's face if i turned up there with a vnt strapped to mine and asked him to map it
not cause i doubt his ability to be able to do it more of the case would be why????
as others have said is it really worth the extra hastle , i can see why andy is spending time trying to get the best out of using a vnt as he will only use the car for hill climbs, but for a road car and the power im guessing your aiming for all it will do for u is light up the front tyres @2k rpm instead of at 4k and probably make your power band shorter ,although i have no idea what size of turbo your using .
Ive been toying with the idea of going for a bigger turbo but i think for the way i like to drive and the roads i mostly drive on the t25 seems to be ideal and a good compromise ,and sticking with what i set out to have my 5 like a bit of an all rounder not losing track by chasing those magical bhp figures .
ditch the vnt m8