Skunk2 Universal Velocity Stack w/ Filter 3.5" Coupler - 343-99-0605Skunk2s Universal Racing High Velocity Intake Kit reduces heat soak and maximizes airflow and velocity on any induction system. The kit utilizes a massive 6. 8 diameter high flow low restriction air filter that features a unique double cone design. The inverted inner filter cone not Only increases the filter surface area and air flow capacity, it also helps reduce turbulence inside the filter and guides the incoming air to achieve higher flow rates