Exhaust Header - Explained

What are exhaust headers? How does an exhaust header increase horsepower? What's the difference between a 4-2-1 header vs 4-1 header? This video explains how exhaust headers are used as a portion of the exhaust to increase horsepower, by using long piping and larger diameter piping, as well as a larger diameter collector.

Product Link:
Yonaka Headers - http://www.yonaka.com/Yonaka_Headers_4_1_ITR_Header_p/ymeh004.htm

Related Videos:
Catback Exhaust: http://youtu.be/4_wzBeHVfck
Performance Exhaust: http://youtu.be/Ivgp1LBsGEQ
Exhaust Systems: http://youtu.be/e72Xkf_5VXo

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Видео Exhaust Header - Explained канала Engineering Explained