Naraku Crossover Exhaust for QMB139 50cc

Naraku 50cc QMB139 4-stroke Black Crossover Exhaust with Carbon Fiber Silencer.The crossover exhaust is tailored to the stock QMB139 engine and provides a top end performance boost. Available in a black finish with a real black carbon silencer for maximum stealthiness! Please Note: This exhaust is designed to conform to European Road Standards. Removing the manifold restrictor leads to a significant performance improvement. Head Pipe Bolt Hole Spacing: 50mm Head Pipe Inner Diameter: 20mm Includes Removable Silencer Does Not Include Mounting Bolts