Naraku NK400.01 Crossover Performance Exhaust, built for QMB139 50cc 4-stroke scooter engines. This performance exhaust system improves airflow, enhances throttle response, and adds a sporty tone — all while maintaining reliable daily drivability.
Ideal for riders seeking a performance boost and aggressive styling, the NK400.01 is a bolt-on solution that fits most popular 50cc GY6-based scooters.
Features:
