No power when accelerating?

Yep, the air noise is telling us you may have a clogged catalytic converter. But to be sure this guide may help but the best way is to remove it for inspection. You have a primary cat which is inside the exhaust manifold, and you have a secondary unit under the car.

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

and

https://www.2carpros.com/articles/bad-catalytic-converter-symptoms

The primary cat have a history of going out and plug the outlet FYI. Check out the images (below). Please upload pictures or videos in your response of any problems so we can see what to help you with.

I just replaced the primary cat about 3 months ago. Don't think that's the problem. Will run fine for about 2 minutes and then starts acting up again. Can't seem to get the flex pipe tight enough to seal the leak.

Let's run the codes to see if any are stored here are stored.

Here is a guide to help:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please go over this guide and get back to us. It does have a secondary cat that could be clogged as well FYI.