Main function: The primary role of the motorcycle exhaust pipe is to discharge exhaust gas produced after combustion, routing it from the engine to the outside of the vehicle to ensure normal engine operation. Noise reduction: The exhaust system includes internal structures such as mufflers that reduce and disperse sound waves through reflection and interference, lowering exhaust noise and providing a quieter riding experience. Compatibility and specifications: For Kawasaki Z900, Ninja 900, Z 900, Z900E models from 2017, 2018, 2019, 2020, and 2021. Color: as the pictures show. Material: stainless steel. Performance and ride quality: Improves throttle response and power control while delivering a sound that complements the engine characteristics, enabling the rider to fully utilize the motorcycle's performance during any ride. Practical use scenarios: Daily city commuting and casual riding: smoother throttle response and reduced exhaust noise contribute to a more comfortable, predictable ride in urban conditions. Sport or twistyroad riding: enhanced throttle control and a more engaging exhaust note support dynamic handling and rider feedback on winding roads. Longdistance highway touring: reliable exhaust flow helps maintain steady engine performance over longer trips, contributing to a balanced driving experience.