Dayco Poly Rib HD Serpentine Belt Single Alternator 15-21 GM 6.6L Duramax LML/L5P BAN-49779 This metal turbo intake horn

This metal turbo intake horn increases airflow for better performance and can help with improved fuel economy

NO-DRILL INSTALLATION

Rated for 140GPH

Run the engine at 1200-1500 RPM for 5 minutes

Banks hot and cold side tubes have 40 percent greater flow area than stock tubes

Dayco Poly Rib HD Serpentine Belt Single Alternator 15-21 GM 6.6L Duramax LML/L5P BAN-49779 This metal turbo intake hornKeep your 2015 2021 GM 6. 6L Duramax with single alternator running strong with the Dayco Poly Rib HD Serpentine Belt. Built with a rugged EPDM rubber compound reinforced with aramid fibers, this belt delivers excellent durability, heat resistance, and long life. The poly rib design ensures a secure grip and smooth performance across all your engines accessories while minimizing noise. Designed to maintain proper tension and resist wear, it's a