The car gained 50 BHP and 5 Kg of torque.
I have done 600 miles with the kit installed.
Until now there are no issues with the engine and the ECU can tolerate the need for extra fuel up to 5500 rpm.
From there to red line the AFR is at 12.5:1 to 13:1 so to be 100% safe i need more fuel and retard in timing which i'm working on it.
The car feels totally diferent and the increase in power is very noticeable.
The installation is very easy and you don't need any instructions.
Steve from LMS sent me installation photos which helped a lot.