I did some back to back testing on my mk5 gti. Fitting parts in stages throughout the day and dynoing. Here are the results...
-Stock map, 3" turbo back milltek 213bhp
-Stock map, 3" turbo back Milltek, Revo intake 223bhp
-Revo stage 2 map, 3" turbo back milltek 257bhp
-Revo stage 2 map, 3"...