Polini Team 4 Exhaust for Horizontal Minarelli

Polini Team 4 Exhaust for Air Cooled and Liquid Cooled Horizontal Minarelli 2 Stroke Scooters.The Team 4 exhaust system works best with 50-70cc performance cylinders. Tuned range for this exhaust is 8,000-11,000 RPM. Made in Italy!Fits the following models and more:Aprilia: Scarabeo 50, SR50, RallyBenelli: Pepe 50Italjet: Dragster 50Malaguti: Ciak, F10, F12, F15Yamaha: Zuma 50 (02-11), Jog 50R, Vino 50Please 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: 48mm Head Pipe Inner Diameter with Restrictor Removed: 25mm Includes Mounting Bracket, Hardware and Exhaust Gasket