Not sure exactly, but this is the link I used : Just found this amazing item on AliExpress. Check it out! $125.18 | Carbon Fiber Exhaust Tip For BMW G23 M440i G20 G21 M340i G42 M240i 2021 2022 Dual M Exhaust Exhaust System MPE Nozzle Muffler a.aliexpress.com/_mPXeRZc