Forget tyres or brakes; when it comes to improving safety, new headlamp bulbs should be at the top of your list. After all, what use are the best rubber, pads or discs if you can't see where you are ...

Halogen lamps lose output over time and many OE bulbs are fitted with more of an eye on durability than performance. However, upgraded bulbs now feature up to 220 per cent more performance than the ...