| 摘要 |
A throttle body extension device of a simple design and easy manufacture, having no vanes or circuitous channels, adapted to be installed upstream of the intake manifold in the air-fuel intake system of any internal combustion engine to improve engine operating efficiency and performance. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope of the claims.
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