This is the SIP road for 125/150 largeframe Vespas and Stella 2T. It comes with the added advantage of conical sections to increase power the way an expansion pipe does but the sound is closer to stock. The overall size is small like the stock exhaust and doesn't hit in the left hand corners like many other performance exhaust do. Like all performance items proper jetting is required.
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This is the SIP road for 125/150 largeframe Vespas and Stella 2T. It comes with the added advantage of conical sections to increase power the way an expansion pipe does but the sound is closer to stock. The overall size is small like the stock exhaust and doesn't hit in the left hand corners like many other performance exhaust do. Like all performance items proper jetting is required.
