led turn bulb

Hi all if you don't remember I have an 2009 cobalt lt2 and was looking at changing from the bulb turn signals to less. Now from what I've figured out on Google and all is that I would need to get switchback leds for the turn/parking lights since they are one in the same bulb. Now would I have to...

The led bulbs are on the left, the stock bulbs are on the right, what do you guys think? Also a pic of my taillights, the left side is wrapped all the way around the right side is still waiting for the led to come from china