for Vespa 90/R/SS/100/125/PV/ET3 fits with chassis modifications/125cc cylinder also for Vespa 50/PK50-125/S/XL/XL2 steel aluminium silencer left hand TUNING RACE – for professionals For race use only. Not admitted in the area of the German StVZO! Product description On the auto scooter scene EVOLUTION parts are legend. POLINI is a heavy weight in the scooter racing area with an arm load of wins by pulling incredible performance out of small motors. This know how has been carried over to a resonance exhaust system for Vespas, and now POLINI presents with the racing exhaust Evolution the Italian answer to VSP and Co! It’s performance develops relative smooth for a racing exhaust, especially in the middle and upper ranges the EVOLUTION turns up the heat. Conclusion: The optimal system for POLINI tuning in middle and upper speed ranges. Racing exhaust / made of steel / aluminum silencer / Left hand Steel, clear paint, silver colored aluminum silencer / black (Evo II) Jets