quick view Add to Cart K&N Engineering K&N Round - Red - Size 14in - 5.125in Neck Flange x 4.875in O/A H Flow Control Custom Assembly - 61-4030 MSRP: $344.99 The K&N Flow Control System utilizes a custom designed base in combination with a unique lid designed to reduce intake turbulence. The resulting smooth, laminar flow enhances cylinder filling, horsepower, and torque. The filter element is the world... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare