K&N Air Filter Velocity Stack Flange (21512-1) Lo-Profile An exclusive two-step slow forging

An exclusive two-step slow forging process ensures proper grain flow and virtually eliminates any damage to thematerial structure

We have had some warranty issues regarding damaged driveshafts (aluminum and carbon fiber)

due to the higher profile of HKS camshafts

We also offer a STM Cam Position Sensor Heat Shield for Evo 4-9 to help protect the exhaust sensor from the heat of the manifold

40700-1AA0C

K&N Air Filter Velocity Stack Flange (21512-1) Lo-Profile An exclusive two-step slow forgingThis K&N air filter velocity stack flange can be used for a custom intake setup to utilize a 6" air filter. The inner diameter of the flange is just a touch under 3. 25" at 82mm, while the OD of the flange is 3. 5 inches. Made from a hard plastic material. Vehicle Fitment: Universal Fitment Replacement component to the 57 1530 1 Dodge Ram intake Includes: (1) Flange STM is an Authorized K&N Dealer. See more K&N Products