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Add power and fun while still protecting your investment.
With the cotton filter installed, this kit out flows the stock intake by 40.8% while maintaining a 99.81% efficiency rating. When using the dry disposable filter the numbers were equally impressive. Airflow was increased by 41.7% while stopping 99.68% of the dirt. Both filters were tested at 653 CFM.
An integrated tab makes for a seamless, single bolt attachment, to the frame of your Duramax just as done by the stock air box. Most installs take about 30 minutes.
Airflow with options.
When its cool out, feed your engine more air through the air box's secondary opening.
We designed this kit to avoid check engine lights with a properly mapped Mass Air Sensor. This is where we run away from the competition. Vehicles are becoming more complex. S&B devotes a huge amount of resources to engineer intakes that will allow your engine to run properly with the stock calibration or with enhanced tuning.