Cylinder head
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United States of America Patent
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Jun 28, 2011
Grant Date -
Nov 13, 2008
app pub date -
Apr 14, 2008
filing date -
Apr 13, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An exhaust system includes a cylinder head having a plurality of exhaust ports. Integrally formed with the cylinder head are a plurality of independent and separate tubes. The tubes are cast, molded or otherwise integrally formed with the exhaust ports of the cylinder head. The cylinder head and tubes eliminate the need for an exhaust flange, welding the tubes to the exhaust flange and securing the exhaust flange to the cylinder head. As a result, the exhaust system has less weight and improved performance over prior art cylinder head and exhaust assemblies.
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