I just installed the Endpage LEDs X001m3qnmt amber x001m2sy8v red and the United Pacific LED flasher 90652 that I ordered from amazon and they are quite a bit brighter than the standard bulbs

The LED bulbs were about $17 a pair and the flasher was about $15 ea total cost about $100

I will have to see how long they last but so far I am pleased with the results

Rick