Yamaha Horizontal Minarelli Malossi MHR Team 2 Race Exhaust 3111374 20mm outer diameter

20mm outer diameter

The piston and cylinder skirt of your Derbi cylinder will still need modification to fit as the Bye Bike pistons have a shorter skirt than Flat Reeds

The belly of this exhaust is 100mm in diameter at the largest portion

You may need to change out one of the spade connectors to match your Tomos and these may be a bit longer than the one you're replacing

Comes with one hose

Yamaha Horizontal Minarelli Malossi MHR Team 2 Race Exhaust 3111374 20mm outer diameterMalossi MHR TEAM 2 race exhaust for scooters powered by the Horizontal Minarelli engine. This pipe should only be paired with proper 70+cc tuned cylinder kits. This is not a street exhaust. Malossi part number 3219491 From Malossi themselves: Thanks to careful bench tests as well as the hard work done during the racing season, Malossi technicians managed to achieve a further performance increase, thus improving power and torque: as a result, the new