Potentially add more performance, speed and power to your bike with this high performance exhaust pipe. Also provides a stylish look and a deeper exhaust tone Fits on many models of GY6 Scooters and Mopeds Four Stroke 50ccwith the GY6 QMB139 series motors. Comes with brackets welded to the pipe for the GY6 application (some modification may be required). It will not just "bolt on" to every scooter model. You may need to bend the brackets or make other modification to make it fit. Potentially add more performance, speed and power to your bike with this high performance exhaust pipe. Also provides a stylish look and a deeper exhaust tone. Fits on many models of GY6 Scooters and Mopeds Four Stroke 50ccwith the GY6 QMB139 series motors. Comes with brackets welded to the pipe for the GY6 application. (some modification may be required). It will not just "bolt on" to every scooter model. You may need to bend the brackets or make other modification to make it fit. Please Note: All head pipes and brackets are chrome plated carbon steel. Please Note: This muffler is designed to be mounted horizontally as seen in the fourth image, if your muffler mounts differently this muffler may not serve as a suitable replacement.