![LUMENS HPL LED Bulbs - 561 Festoon 44MM with Hoop (Pair)](http://lumenshpl.com/cdn/shop/files/L561MMW-Primary-1024x1024_96a4155f-963c-4414-a8c8-186bc943f391_{width}x.jpg?v=1695062761)
![LUMENS HPL LED Bulbs - 561 Festoon 44MM with Hoop (Pair)](http://lumenshpl.com/cdn/shop/products/L561MMW-Primary-1024x1024_{width}x.jpg?v=1695062761)
![LUMENS HPL LED Bulbs - 561 Festoon 44MM with Hoop (Pair)](http://lumenshpl.com/cdn/shop/products/L561MMB-Primary-1024x1024_{width}x.jpg?v=1695062761)
L561MMB
**Note: Additional resistors, LED flashers, or vehicle programming will likely be required when used as a signal bulb. May also be required if vehicle has extra sensitive circuitry occasionally.
Click here for resistors
Click here for list of LED flashers
**Pro Tip: If bulb is behind a colored lens, be sure to choose the corresponding color for best results (ie. red bulb behind red lens, amber bulb behind amber lens). Using a white bulb behind a red lens is not brighter or optimal.
Features:
Bulb Cross References:
Specifications:
Warranty: