Like the title says. Currently have some PIAA's (not sure model) but would like to go back to OEM.
Put in some Sylvania Xtravision bulbs... basically slightly brighter than the OEM Sylvania but similar color (3200k).
The bulbs I replaced were PIAA XTreme White Plus (4000k).... I hated them.
On bright they were good / normal. Dims were very poor. When meeting oncoming traffic, my dims seemed non-existent and it was seriously a safety issue at times.
They were poor in inclement weather (snow, fog, etc) due to the color spectrum.
Happy to return to OEM yellowish-white color instead of that stupid blueish-white.