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Gy6 50 139QMB Low Noise High performance Exhaust from NCY
With most performance exhaust and want most want is the low tone of a motorcycle. This is good indication of performance level which is a tell tale sign of more air flow for better low ned torque and greater top end speed.
NCY has introduced a low noise street performance exhaust for the GY6 139QMB engines that adds the performance of a knock down low tone pipe.
When matched with the NCY performance cylinder kits its perfect match that was produced to work together.
48 Lower States Only