Stage 1 upgrade for the 2006-2007 LBZ Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high performance...

Stage 1 upgrade for the 2006-2007 LBZ Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high performance...

Stage 1 upgrade for the 2006-2007 LBZ Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high performance...

Stage 1 upgrade for the 2006-2007 LBZ Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high performance...

Stage 1 upgrade for the 2006-2007 LBZ Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high performance...

Stage 1 upgrade for the 2006-2007 LBZ Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high performance...

Stage 1 upgrade for the 2006-2007 LBZ Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high performance...

Stage 1 upgrade for the 2006-2007 LBZ Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high performance...

Stage 1 upgrade for the 2006-2007 LBZ Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high performance...

Stage 1 upgrade for the 2006-2007 LBZ Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high performance...

Stage 1 upgrade for the 2006-2007 LBZ Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high performance...

Stage 1 upgrade for the 2006-2007 LBZ Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high performance...

Stage 1 upgrade for the 2006-2007 LBZ Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high performance...

Stage 1 upgrade for the 2006-2007 LBZ Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high performance...

5" Intake Horn for LBZ/LMM Duramax with VGT Turbo. Complement your WCFab intake kit with this high flow turbo horn powder coated your choice of color.? Intake Horn 5in. for 2006-2010 Duramax LBZ/LMM Bengal Blue Features: 4.8 in. Inlet, Largest Intake horn on the...

5" Intake Horn for LBZ/LMM Duramax with VGT Turbo. Complement your WCFab intake kit with this high flow turbo horn powder coated your choice of color.? Intake Horn 5in. for 2006-2010 Duramax LBZ/LMM Bengal Grey Features: 4.8 in. Inlet, Largest Intake horn on the...

5" Intake Horn for LBZ/LMM Duramax with VGT Turbo. Complement your WCFab intake kit with this high flow turbo horn powder coated your choice of color.? Intake Horn 5in. for 2006-2010 Duramax LBZ/LMM Bengal Red Features: 4.8 in. Inlet, Largest Intake horn on the...

5" Intake Horn for LBZ/LMM Duramax with VGT Turbo. Complement your WCFab intake kit with this high flow turbo horn powder coated your choice of color.? Intake Horn 5in. for 2006-2010 Duramax LBZ/LMM Bengal Silver Features: 4.8 in. Inlet, Largest Intake horn on the...

5" Intake Horn for LBZ/LMM Duramax with VGT Turbo. Complement your WCFab intake kit with this high flow turbo horn powder coated your choice of color.? Intake Horn 5in. for 2006-2010 Duramax LBZ/LMM Blueberry Frost Features: 4.8 in. Inlet, Largest Intake horn on the...

5" Intake Horn for LBZ/LMM Duramax with VGT Turbo. Complement your WCFab intake kit with this high flow turbo horn powder coated your choice of color.? Intake Horn 5in. for 2006-2010 Duramax LBZ/LMM Bronze Chrome Features: 4.8 in. Inlet, Largest Intake horn on the...