i am looking to go standalone so i can rais my injector size as well as upgrade my turbo. has anyone had any experience with the greddy emanage ultimate? i was deciding between that or megasquirt v2. any advice also i am running a s5 car with a s4 t2 motor but still have the s5 t2 ecu. will the s5 t2 harness with the greddy work?