I have personal experience of it on a number of cars, including my own T4 saff with 850cc injectors, I just think you are being a bit blind thats all.! Big brakes aren't NEEDED, but are a huge improvement over the std jobbies

Think you ought to try it Pete, perhaps if you ask Stu he might do you a Daz doorstep challenge , and swap it back for free if you don't like it