I just installed this one in my ‘22. Loud with the baffle in, screams without the baffle. Bolts up just fine.

YOSAYUSA Complete Exhaust System Motorcycle Exhaust Slip On Muffler Baffle For Honda Grom Msx125 2013 2014 2015 2016 2017 2018 2019 2020 2021 Stainless Steel (Black) https://www.amazon.com/dp/B08ZY3TDXR/ref=cm_sw_r_cp_api_i_JQBS40YE1ESDC8990538?_encoding=UTF8&psc=1