US Diesel Parts - BD Power - GM Duramax LLY

BD Exhaust Brakes for 2004 - 2005 Chevy GMC 6.6L Durmax LLY

Incorporating BD's exclusive Variable Orifice Technology, the BD brake provides up to 150 retarding horsepower throughout the engine's RPM range - not just at high RPM like other brands. The rugged, cast-iron housing incorporates BD's exclusive alumibronze bushing and piston ring-sealed, stainless steel butterfly shaft that has proven to stand up under the harsh, high-heat conditions of the exhaust environment. The BD exhaust brake is the most widely recognized exhaust brake in the industry for one simple reason: It's the best!