Filter Type Cotton Filter Airflow Rating 36.88% more airflow than the stock intake Efficiency Rating 99.22% efficient @ 529 CFM (ISO Coarse Dust) Quantity of Oil 87 grams on filter element and 17 grams on Power Stack (Top) Oil Color Red High Flow Air Tube - Designed to minimize restriction. The air tube on this kit has minimal obstructions from the throttle body to the air box allowing for more cooler air. Innovative Fitment - Fits like stock and performs to our highest standards, mounting perfectly to your truck's stock mounting positions. Better Protection From Heat - Premium silicone parts and seals are used that won't tear or crack over time. Our one piece air box also features an integrated fender seal designed to keep out unwanted engine heat. Fast And Easy Install - Our fit and finish is second to none. With the highest regarded installation instructions on the market, including full color pictures and step by step notes, installation should take less than 60 minutes.