Air Filter Dry Extendable For Intake Kit 75-5159/75-5159D S&B _prop65 These are our stage 4

These are our stage 4 hot street injector

An integrated box seal keeps out unwanted engine heat

Does not include gaskets

Each line is constructed from high-quality materials and is built to deliver the durability and dependability your Duramax fuel system needs

4 Power Stroke and installs in under 30 minutes

Air Filter Dry Extendable For Intake Kit 75-5159/75-5159D S&B _prop65 These are our stage 4Air Filter for your S&B Cold Air Intake are available with Cleanable Cotton or Dry Extendable filter media. Both offer similar performance characteristics, so the decision comes down to how you want to maintain your filter. Dry Extendable Performance is comparable to Cotton Cleanable filters. Extend the life of the filter by blowing it out with compressed air up to 3 times and then discard. Ideal for dry, dusty driving conditions. Details: Fits: