They don’t really improve much at all. Especially at that price. I know a few that bought them and my IAT2 is still better.This is for the 2650 but it's the same design. https://www.pwrna.com/product/roush-2650-intercooler-brick
left looks like a 2013-2017 Charge air coolerOh, I thought the one on the left but that's why I'm asking