FOR RACE USE ONLY
Behind GPS = Gruppo Piloti Sceciali stands not only a rare Vespa SS special edition without spare tyre and luggage compartment, but also the finest tuning made with passion for smallframes. The guys did a good job on the design of a fin race exhaust. The goal was an exhausts that stand up to daily usage with lots of torque and a sweet sound and for small money. They did a good job.
The fully chromed GPS is optimal for 125er small frame motors with original cylinder or lightly tuned POLINI. More than a good alternative. When mounting on Vespa 50 Special Elestart/125 PV//ET3, the side compartment and side sheet panel on all PK models must be modified.
Conclusion: Whether original cylinder or decent road tuning: the GPS has the right tone.
Racing exhaust / made of steel / chromed silencer / Left hand curly
Steel, chromed, chromed silencer
Jets and ignition must be adjusted.
SIP-TIP: Adjustment of the main jet and a new spark plug are a must. With racing cylinder POLINI/DR a real cruiser.
SIP community user ‚DevilSports‘ (about art. no. 24127000): "THE exhaust for smallframe engines! Excellent manufactured, top performance, top sound !"
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