Have you done anything else to the stock wiring setup to help out the low voltage situation common with the original sealed bulb setup that causes them to not be very bright?
Adding relays to the headlights is cheap and easy, and often results in GREAT improvement to light output of the OEM type headlamps.
If that fails, then you might step up to HID or LED headlights, but you'll end up doing the relay thing anyway as result.
Now imagine doing the SilverStar ultra bulbs WITH the relay modification! It would melt the fur right off the little woodland creatures when you hit the brights.
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