Eliminates the stock intake resonator and muffler with a straight through 4-inch constant-diameter piece. Clean up your engine bay with the Banks easy-to-install mandrel-bent constant diameter 4-inch intake resonator delete. For even more power and performance, check out our Banks Ram-Air Intake 42249.
Don't sacrifice performance for a quieter ride. Eliminates the stock intake resonator and muffler with a straight through 4-inch constant-diameter piece. Clean up your engine bay with the Banks easy-to-install mandrel-bent constant diameter 4-inch intake resonator delete. For even more power and performance, check out our Banks Ram-Air Intake 42249.
Key Features
- Increase the airflow of your Duramax intake system
- Eliminates factory resonator and intake muffler
- 4-inch mandrel-bent constant diameter steel tubing
- Banks silicone couplers
- Stainless steel hose clamps
- Stainless steel logo
- Natural finish
- Easy-to-install
50 State Compliant
CARB E.O. D-161-121
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