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Item number: 3334001SS

Exhaust -EGIG PERFORMANCE Stealth Sepp Ø=32mm (54-60mm stud spacing) - like exhaust Mamba S but with XXL silencer like banana (100x350mm) - Vespa ET3, PV125

Design like Mamba S, but with XXL rear silencer (banana style)
Flange Ø 32 mm - plug-in system, easy to service
Stud bolt spacing 54-60 mm - Wide cylinder compatibility
Cylinder: 130-190 cc (typically 130-187 cc)
Recommendation: rear shock absorber extension for additional clearance
Not suitable for luggage compartments: left side compartment must be omitted
Material: 1.5 mm sheet steel
699,00 €*
available immediately
Shipping weight 4,51 kg
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Exhaust - EGIG PERFORMANCE Stealth 'Sepp' Ø 32 mm (54-60 mm studs) - XXL muffler 100×350 mm - Vespa PV 125 / ET3

The Stealth Sepp is the quiet, unobtrusive performance system for Vespa Primavera 125 (PV) and ET3. Technically based on the Mamba S, but with an XXL banana-style silencer (100×350 mm) for very discreet background noise with strong performance. Ideal for modern smallframe setups with 130-190 cc and 29-30° forward exhaust.

Ø 32 mm flange XXL 100×350 mm damper 54-60 mm stud bolt 130-190 cc Quiet & unobtrusive Retro look

Characteristics & use

Quiet, powerful, unobtrusive - suitable for everyday use with sporty top performance
Wide band with good pulling power - maximum riding pleasure without the need for a "short 4th"
XXL damper reduces drone/resonance - pleasant sound image
Retro look, modern tuning - ideal for touring sports setups

Technical data & notes

Flange: Ø 32 mm plug-in connection
Stud bolt: 54-60 mm (exhaust stud bolt spacing)
Cylinder range: 130-190 cc, recommended 29-30° advance
Mounting: generally without frame cuts; shock absorber extension recommended
Luggage compartment: not compatible (left side compartment not required)
Material: 1.5 mm sheet steel

Compatible vehicle models

125 Primavera (PV)
125 ET3 - not suitable for luggage compartment (remove left side compartment)

Note: V50/90/100/PK are not the focus of this kit; adjustments may be necessary depending on the frame/accessories.

Primavera 125 (Motovespa)
Primavera 125 T3 (= ET3) - not suitable for luggage compartments

Requirement: Smallframe engine with 54-60 mm exhaust studs.

Tuning notes

Timing: works best from ~29-30° advance (exhaust blowdown); can be ridden with less angle, but with reduced peak power
Rearshock absorber extension recommended to create the additional installation space for manifold/body
Adapt the jetting/ignition to the setup; align the plug connection without tension, fit the sealing surfaces cleanly

FAQ - Frequently asked questions about the EGIG Stealth 'Sepp'

No. The Stealth 'Sepp' is not suitable for luggage compartments - the left side compartment must be removed.
Sporty smallframe cylinders 130-190 cc with 29-30° advance. Operation is possible with smaller angles, but the full peak power is then not utilized.
A shock absorber extension is recommended in order to gain additional clearance for the manifold/body.
Thanks to the XXL rear silencer (100×350 mm), the Stealth 'Sepp' is generally quieter and more suitable for long distances, with very good power output.
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