Fits 2017-Later Milwaukee 8 Harley-Davidson motorcycles. Engineered to increase mid-range torque from stock to large cubic inch applications. Designed to fit a stock H-D, 62mm and 70mm HPi M8 throttle bodies,not compatiblewith SE throttle bodies. This unique design offers a custom HPi engraved, performance cone shape air filter for a race style look. Also features custom external breather lines that will help eliminate oil misting. Throttle Body sold separately, not included with Tunnel Ram.