We tested the low-beam performance of single-filament (9003) and dual-filament (H7) bulbs from GE, Hella, Philips, and Sylvania, and PIAA's dual-filament bulb. We also compared their performance ...

If your work truck headlight’s effectiveness leave a lot to be desired, PIAA Corporation’s advanced-technology Night-Tech replacement bulbs are a sure way to brighten up the road. PIAA’s SAE ...

I honed in on bulbs that were specifically manufactured to fit common headlight sizes, like H11 and H7 bulbs, for a wide range of use cases in different vehicles. In my search, I considered ...

All bulbs were burnt in to stabilise output before being tested. The bird’s eye views shown for the more common H7 are measured at 75cm above the road and are of the lamp with the top figure of ...

The figures quoted are for a pair, and do notinclude any delivery costs. When it comes to H7 performance bulbs, Philips has the edge – and rivals are playing catch-up. The brand takes the win in ...

After around four years, Osram is replacing its LED retrofit lamps, which can be used instead of H7 bulbs. The next generation of H7 LEDs, which are already road-approved for many vehicles ...