O.S. Engine OS45269000 Tuned 60 Degree Exhaust for FS-40 FS-61 FS-80  [OS45269000]

O.S. ENGINES EXHAUST PIPE SET 60 DEGREE FS-40,FS-61,FS-80
Price:
NZD$10.98
Brand:
O.S. Engine
Model:
OS45269000
GTIN:
4531028121768
Condition:
Brand New
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Tuned geometry and performance notes

This exhaust pipe set is intended for RC use with the specified O.S. Engine FS series models. The 60 degree bend aims to complement exhaust pulse timing on FS-40, FS-61 and FS-80 engines, allowing tuners to control exhaust flow and back-pressure without changing engine internals.

The kit is provided as replacement or upgrade pipes for existing tuned systems. Proper fitment depends on manifold outlet position and mounting holes, so check outlet alignment and gasket seating before final assembly. Typical hand tools are sufficient; take care not to overtighten the flange hardware to protect sealing faces.

In tuning scenarios this pipe functions as part of the exhaust system that alters pulse scavenging and midrange character. After installation expect to make needle or header length adjustments to dial in the desired power curve.

How does the 60 degree bend affect pulse scavenging?

The 60 degree geometry shifts exhaust timing and flow direction, which can improve midrange scavenging. The exact effect depends on manifold length and the rest of the tuned-pipe system.

Will I need to change carburetor settings?

You may. Changes to back-pressure and pulse timing often call for needle adjustments or finer tuning of mixture to restore optimal performance.

Does header length interact with this pipe?

Yes. Header length alters timing and resonance; pairing the correct header length with this 60 degree pipe helps achieve the intended midrange and top-end response.

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