Universal Yellow 3" HKS Style Mushroom Air Filter Regular price: $59.99 Sale price: $17.99 Universal 3" Red HKS Style Mushroom Simota Air Intake Filter Regular price: $49.99 Sale price: $17.99 Universal 3" Blue Mushroom Simota Air Intake Filter Regular price: $49.99 Sale price: $17.99 Universal 3" Green HKS Style Mushroom Simota Air Intake Filter Regular price: $49.99 Sale price: $17.99