Originally Posted by xXD@N!3LL3Xx
do you need a T4 to get 400/500 bhp to handle the pressure or something? sorry for the question i just wondered
Its all about airflow.
To make 500bhp the engine needs to consume a lot of air, a smaller turbo wont flow enough air into the engine to allow it to do this.
If you were here, and naked, i could explain it a lot better TBH, why not pop round?