My 2023 Base Model 2 door Bronco's hardtop is very loud too. I just rode in my son's 2015 two door Wrangler with 35's and a soft top and my Bronco is louder then his.
I bought and installed a set of these Ford Bronco 2DR 2021-2024 KBD 4 Piece Polyurethane Fender Flares Kit (kbdbodykits.com)
They looked really cool, but I didn't like how narrow they were, so I sent them back.
Wanted to get rid of the plastic front bumper that came on my 2023 base model Bronco. Found a new steel front bumper on eBay for $300 unfortunately it did not come with instructions so I had to wing it. I was actually pretty impressed for the price and modify the Tow hooks and the skid plate but...
Update: I installed the early style fender flares today. They fit better ten I thought them would based on reviews. But I'm running 35's with no lift and I don't like the way they look on my Bronco. They make my tires look smaller. Probably would look better on a Bronco with 37's. I'll probably...