You're driving a small car. Let everyone know when you're stopping. We use LEDs from Diode Dynamics because they're the best ones we've found. They're made to high standards, not just the minimum price. They've got constant-current circuitry to protect the bulbs from transients and offer a three year warranty. The 7440/7443 is the correct bulb for the brake and tail lights on an NB or NC Miata - as well as thousands of other applications around the industry. The 280 lumen option is a good replacement for stock. The 310 lumen option is the HEY YOU IN THE SUV PAY ATTENTION option. They are red in color. 280 lumen: Diode Dynamics HP48 310 lumen: Diode Dynamics HP11 Both versions are for a pair of bulbs - quantity one for both sides of one car. Note for other applications: This is a 7443 bulb, which has both a high and low power filament. If used in a 7440 single filament socket, it will only illuminate the high power filament. For NAs and NBs only (not NCs), if you have cruise control and you replace all of your brake lights, you'll need to add a Cruise Keeper bulb to keep the cruise control functioning. Please note that we do not recommend using a resistor, as the resistor will likely overheat and fail (which isn't a concern with turn signals, as there's a cooling period when the bulb blinks off). If you leave a single incandescent bulb, the cruise control will continue to function with no issues. 7440 cross reference: 7441, 992, 7440, 7440ST, 7440AL, 7440LL, 7440A 7443 cross reference: 7444NA, 7443, 7443ST, 7443LL
