Led taillights 57 not brighter than incandescent

[Sell57]

I apologize if this is a repeat.
I recently replaced the rear light harness. I decided to replace the 1157 bulbs with led bulbs. I also replaced the flasher with a electronic one. I am very disappointed that the led bulbs are no brighter than the old 1157.
Any ideas as to why
Thanks

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[biddle]

I apologize if this is a repeat.
I recently replaced the rear light harness. I decided to replace the 1157 bulbs with led bulbs. I also replaced the flasher with a electronic one. I am very disappointed that the led bulbs are no brighter than the old 1157.
Any ideas as to why
Thanks

Your first post was deleted because posting instructions were not followed. Please summarize your post in the subject on future posts and include the model year. LED taillights or 1957 LED taillights could mean anything.