Tecnigas Silent Pro Exhaust for Vertical Minarelli
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Tecnigas Silent Pro Exhaust for Vertical Minarelli 50cc 2-stroke engines found in 2001 and earlier Zuma 50. The Tecnigas Silent Pro exhaust improves torque over the stock exhaust, all while being quiet and maintaining a subtle look. This exhaust is restricted (per European standards) in two places: the header flange and the very end of the tailpipe. Removing these restrictions will improve performance. Head Pipe Bolt Hole Spacing: 48mm Head Pipe Inner Diameter with Restrictor Removed: 24mm Includes Mounting Hardware and Instructional Booklet Removal of restrictions will give more power. Restrictions are located in the manifold flange and on the silencer. Yamaha This product is not intended for use on public roads or land.
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