Finally available the Vespa bgm MRB Big Box for Vespa P200 engines

Finally available the Vespa bgm MRB Big Box for the P2 engines

Finally available the Vespa bgm MRB Big Box for the P2 engines

Finally we have the Big Box exhaust for the Vespa P2 engines available. This exhaust was developed by Mark Broadhurst with his engineering background and the knowledge he has won with the development of the Lambretta Big Box.

Basically it is a stock looking exhaust with the power output of an expansion pipe. The exhaust for the P2 engines comes with three different CNC machined exhaust stubs to clear the differences on the diameter of exhaust stubs produced by Polini, Malossi, Pinasco & Co. To make it 100% sealed there are supllied inner and outer O-rings.

Instead of clamping the exhaust down with the risk of damagening the stub the exhaust is hold by springs. The material for the installation is supplied with every Big Box.

Very often we are asked what setups we do recommend for the Big Box to work best. This is something impossible to answer in general. Basically it comes down to your engine and what you really want. The Big Box worked on every engine we have tested very well. From standard engines to mild road tunes, to the torque monsters with low port timing readings up to very high revving Malossi kitted engines.

  • So the Big Box works with all -at least most- engine setups.
  • You don’t have to tailor suit the port timings to the exhaust like on full expansion pipes.
  • Gives best power output of all stock looking exhaust.

 

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