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The BD Diesel intake horn for 2017–2022 Chevy/GMC 2500/3500 Duramax 6.6L replaces the plastic factory turbo inlet with 3.5" 409 stainless tubing and a black powdercoat finish. This drop-in component complements aftermarket L5P Screamer turbos and supports improved intake flow; it is not recommended for OE turbochargers without accompanying custom tuning to ensure proper engine calibration.
BD Diesel 17-22 Chevy/GMC 2500/3500 Duramax 6.6L Turbo Intake Horn
