Complex sentence: Having a redline of 8250 rpm, it achieves over/litre which is an incredible feat for a naturally aspirated production engine, as other manufacturers have used supercharging or turbocharging to reach a similar output level.
Split into simpler sentences: Having a redline of 8250 rpm, it achieves over/litre. Most other car manufacturers having used supercharging or turbocharging to reach a similar output level.