For 2001-2004 6.6L Duramax LB7 Intake Horn Chevy Silverado GMC Sirra

6.6L Duramax LB7 Intake Horn is a premium OEM-grade replacement and upgrade solution exclusively engineered for 2001-2004 Chevy Silverado 2500/3500 and GMC Sierra 2500/3500 models equipped with the 6.6L Duramax LB7 engine. Developed by EGR Performance, this intake horn kit comes with a dedicated negasket, effectively addressing common intake system issues of the 2001-2004 LB7 Duramax, such as air leakage and insufficient air intake caused by aging or damaged original intake horns, thereby restoring engine power output and improving intake efficiency.