K&N KA-4018 High-Flow Washable Air Filter for Kawasaki Ninja 400, Z400 & Z500 (2018–2024) – Performance Cotton Gauze Engine Filter

🧾 PRODUCT DESCRIPTION :

Upgrade your Kawasaki sportbike with the K&N KA-4018 High-Flow Air Filter, engineered for Kawasaki Ninja 400, Z400, and Z500 models (2018–2024).

Built using K&N’s advanced multi-layer cotton gauze filtration technology, this premium performance air filter improves airflow to your engine, delivering noticeable gains in horsepower, throttle response, and acceleration performance.

Designed for modern 400–500cc parallel twin engines, the KA-4018 ensures optimal engine breathing while maintaining excellent filtration efficiency to protect against dust and contaminants.

Unlike disposable OEM filters, this K&N filter is washable, reusable, and designed for lifetime use, making it a cost-effective performance upgrade for daily riders and track enthusiasts alike.

⚙️ KEY PRODUCT FEATURES :

• 🚀 Improves horsepower and throttle response
• 🌬️ High-flow cotton gauze increases air intake efficiency
• 🛡️ Multi-layer filtration protects engine from dust & debris
• ♻️ Washable, reusable, lifetime performance filter
• 🧴 Pre-oiled and ready for direct installation
• 🏍️ Perfect fit for Ninja 400, Z400 & Z500 models
• 🔧 OEM replacement with precision sealing fit
• 💰 Saves long-term cost vs disposable filters
• 🏁 Ideal for street & track performance use
• 🇺🇸 Made in USA with premium materials