Key benefits Smoothes exhaust flow to reduce backpressure and improve throttle response. Increases power delivery and helps you get closer to the motorcycle's maximum performance potential. Stable, reliable operation designed for regular road use. Stylish appearance that enhances the look of your bike without altering core function. What this product does Improves exhaust performance by optimizing flow characteristics, helping the engine breathe more efficiently. Delivers a noticeable difference in midrange and throttle response for everyday riding and spirited runs. Provides a clean, modern visual upgrade that complements the Kawasaki styling. Compatibility Specifically designed for Kawasaki Ninja 400 / EX400 / Z400. Fits model years 2017, 2018, 2019, 2020, 2021, 2022, and 2023. Before , please confirm your motorcycle model and production year match the listing to ensure proper fit. Practical use scenarios Daily commuting: Smoother exhaust response improves rideability in stopandgo traffic and makes acceleration more predictable. Weekend sport rides or track days: Enhanced power and throttle response help you extract better performance when pushing the bike. Longer tours: Reliable exhaust behavior and improved engine breathing contribute to a more comfortable and consistent ride over extended distances. Buying guidance with confidence, but doublecheck model and year compatibility before to ensure the part is suitable for your motorcycle.