Combo Set OS Speed B21 Ongaro WC Edition + Exhaust TB02 EFRA 2089

It includes the TB02 (As known as T-2090) EFRA 2089 tuned silencer and the exhaust system of the / MB01-75 (75mm) manifold.

Specifications:
Displacement: 3.49cc
Bore: 16.27mm
Output: 2.68ps / 2.64hp /34,000r.p.m.
Practical RPM range: 4,000～42,000r.p.m.
Engine Weight: 345g
Pipe: TB02 T-2090 EFRA2089 and MB01-75

Includes:
- P3 plug
- Exhaust seal ring
- Dust cap set 3mm/16mm/18mm
- Reducer 6.5mm
- Springs Set.
- Exhaust and Pipe Gasket x2 pcs.