Compatibility: Compatible with 2002-2004 Chevrolet Silverado 2500 HD 6.6L Turbo Diesel; compatible with 2002-2004 Chevrolet Silverado 3500 6.6L Turbo Diesel; compatible with 2002-2004 GMC Sierra 2500 HD 6.6L Turbo Diesel; compatible with 2002-2004 GMC Sierra 3500 6.6L Turbo Diesel Durable Material: The 3" intercooler pipe is made of polished aluminum and equipped with silicone boots, and it is engineered to eliminate restrictive bends present in the factory pipes Reliability: This kit includes constant-tension T-bolt clamps for accurate and consistent holding power Easy maintenance: The design of the intercooler pipe and its accessories is easy to disassemble and replace, making the maintenance and inspection of the cooling system more convenient Easy Installation & Package: You will receive 1 set of Intercooler Pipe and Boot Kit. Instruction is not included.Installation accessories are included. The kit needs to be installed with clamp. Professional installation is highly recommended Compatibility: Compatible with 2002-2004 Chevrolet Silverado 2500 HD 6.6L Turbo Diesel; compatible with 2002-2004 Chevrolet Silverado 3500 6.6L Turbo Diesel; compatible with 2002-2004 GMC Sierra 2500 HD 6.6L Turbo Diesel; compatible with 2002-2004 GMC Sierra 3500 6.6L Turbo Diesel Durable Material: The 3" intercooler pipe is made of polished aluminum and equipped with silicone boots, and it is engineered to eliminate restrictive bends present in the factory pipes Reliability: This kit includes constant-tension T-bolt clamps for accurate and consistent holding power Easy maintenance: The design of the intercooler pipe and its accessories is easy to disassemble and replace, making the maintenance and inspection of the cooling system more convenient Easy Installation & Package: You will receive 1 set of Intercooler Pipe and Boot Kit. Instruction is not included.Installation accessories are included. The kit needs to be installed with clamp. Professional installation is highly recommended