New returned , please check where back holes are The CNC Air Cleaner intake filter Kit is a high-quality air filter designed specifically for Harley Road King, Electra Glide, FL, Dyna, and FXD motorcycles. This kit includes everything needed for easy installation, making it convenient for riders to upgrade their air intake system. With its durable construction and precise fit, this air filter ensures optimal performance and protection for your motorcycle's engine.