Performance Intake For Silverado 2500 Chevrolet 6.6 LLY Duramax High Flow Turbo Intake Elbow 2004.5-2005 GMC Turbo Inlet Manifold Performance: Improve throttle response, increase horsepower and torque and help lowering exhaust gas temperatures (EGTs) S&B 76-1006B Turbo Inlet Manifold for 2004.5-2005 Chevy Silverado & GMC Sierra 6.6L Duramax LLY Material: Made of high quality material wih powder coated black body CNC machined edges, durable in use Replace the restrictive factory inlet pipe on your 2004.5-2005 GM 6.6L Duramax LLY with the S&B Filters 76-1006B Turbo Inlet Manifold. Order today from XDP Compatibility: For Chevrolet Silverado; for GMC Sierra Truck 6., 6L LLY Duramax Diesel 04., 5-05 S&B Filters 76-1006B Turbo Inlet Manifold | XDP Note: Professional installation is highly recommended (No Instruction Included)