Turbo lag

The throttle response is Whew !!!!

Turbo lag is somewhat the nature of the beast....
you have to have exhaust pressure to get boost, and you can't get much boost until you have exhaust and etc... etc...
either you will get 'used to it' and allow for it (maybe even with a bit of boosting with brake applied) or tune it....
Unless your brother's is tuned or something is wrong with yours, it will not be slower....



