aFe 24-25 Volkswagen Atlas L4-2.0L (t) Momentum GT Cold Air Intake System w/ Pro 5R FilterMomentums innovative filter to housing interface was built to feature the largest air filter possible. This 7. 5 tall 360 degree radial flow air filter features a 4" flange and our pre oiled Pro 5R media with five layers of progressively finer cotton gauze for maximum performance. It provides your engine with the largest amount of high flowing air and delivers the highest power gains in most cases. This media is perfect for street and or track use.