:: Which exhaust for Piaggio SI
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Hello,
Which expansion exhaust would you recomend me for the following set-up and is still in production (I can buy it new)
Piaggio , model SI
– DR EVO 43 with port matching
– dellorto 13/13 + malossi air filter, widen carb intake
– 90 mm vario, malossi multivar, yellow spring
– electronic ignition
Thanks in advance!
I would say Gianelli Fire 
Gives you a good top speed with a setup like this, looks good and is available new for a reasonable price.
– What about Polini top one or Simonini proline. Do they fit on SI without modification?
– I have read that there were some problems with Gianelli fire (SI model), breaking the holder (bolt for fixing the
motor). Is there any tip for proper
I don’t know if the other two fill fit a SI, but if when you mount the Fire you must make sure there is no tension on the “holder”. if there is no tension on it it should not break.
Thank you for answer,
I will follow your instructions if I would buy gianelli fire.
regards
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