Exhaust Brakes will help your 2020 Chevy/GMC 3.0L Duramax slowdown when it's critically for safety while also helping to reduce wear on your service brakes. Turbo and remote mount brakes can be used for aftermarket or stock turbochargers. Electronic exhaust brakes utilize the vanes in a factory-equipped VGT turbocharger and mechanical brakes use throttle style butterfly valve to block exhaust flow and create engine retarding horsepower to slow the vehicle. Pacbrake, Banks, and BD-Power are just some of the industry-leading companies you can find for your vehicle.