Using this S&B replacement filter is easy. First, make sure your vehicle is turned off. Remove the old filter from your S&B intake 75 - 5075. Then, simply insert the new filter in place. If you've chosen the cleanable cotton filter, you can use the S&B cleaning kit to clean it when it gets dirty. This filter is great for trucks mainly driven on the road. For the dry filter, if it's used in a dusty area, you can blow it out with compressed air to extend its life. When it's completely worn out, just dispose of it. Remember, this filter only fits S&B intakes, not OEM ones. And if you bought it from an authorized dealer and use it under normal driving conditions, it's covered by a million - mile warranty.