Hofmann Designs Directional 5 Spoke Air Cleaner Cover The Hofmann Designs Directional 5 Spoke Air Cleaner Cover is engineered to fit any 5.5-inch round air cleaner. This robust bolt-on component incorporates a carbon fiber insert and is accompanied by all necessary hardware for installation. It seamlessly complements the Signature Series line of billet accessories, enhancing both functionality and appearance. Features: Fits Stage 1 round air cleaners Designed for any 5.5 round air cleaner 100 bolt on Includes carbon fiber insert Includes all needed hardware Made in the USA