BD Diesel 1024311 Exhaust Brake for 2001-2010 Duramax 6.6L with 4 Inch Exhaust

The BD Diesel 1024311 Exhaust Brake is engineered for 2001-2010 GM Duramax 6.6L diesel engines equipped with 4-inch exhaust systems. Backed by nearly three decades of exhaust brake innovation, this system delivers up to 150 retarding horsepower throughout the engine's RPM range, providing superior engine braking performance for towing, descending grades, and reducing wear on your service brakes.

Key Features:

• Variable Orifice Technology: BD's exclusive design uses a solid, offset butterfly valve with spring-loaded cylinder and pressure regulation to maximize braking power across all RPM ranges
• Rugged Cast-Iron Housing: Built to withstand extreme exhaust temperatures with BD's proprietary alumibronze bushing and piston ring seals
• Stainless Steel Construction: Butterfly valve and rotating shaft are made from corrosion-resistant stainless steel for long-term durability
• Complete Kit: Includes air compressor and all stainless steel mounting hardware for single alternator applications
• EPA Compliant: Meets EPA reasonable basis requirements and is legal for federal use (not for sale on California-licensed vehicles)

Installation & Compatibility Notes:

• Estimated installation time: 5 hours
• Designed for 4-inch exhaust systems (typical for 2007.5-2010 LMM engines)
• 2007-2010 LMM engines require HP Tuner or EFI Live tuning
• BD recommends exhaust back pressure test gauge kit (1030050) for proper setup
• For 2006+ applications, consider BD part numbers 2001020 or 2001030 as alternative options
• Confirm your exhaust pipe diameter before ordering (3.5-inch typical for 2001-2007 LB7/LLY/LBZ, 4-inch for 2007.5-2010 LMM)

Warranty Coverage:

• Parts: 24 months or 24,000 miles
• Labor: 12 months or 12,000 miles

The BD Diesel Exhaust Brake has earned its reputation as the industry standard for diesel engine braking systems. By converting your engine into a highly efficient air compressor, this system dramatically increases stopping power while extending the life of your vehicle's friction brakes—essential for anyone towing heavy loads or driving in mountainous terrain.