Does the idea of souping up your 1.4-litre car instead of simply buying the 1.6-litre version sound silly and irrational to you? Well then, there is no reason for you to continue reading, please move on, nothing to see here.

We are telling you the truth, let’s say 60% more truth about high intensity filament bulbs being 60% better than others. Are they really worth their price? We are going to tell you.