This section contains documentation and links for Exhaust Systems. (See file legend at bottom of page for sources other than this site)
	Hatori Mufflers Find them at www.hatori-models.co.jp A PDF file of the Current Hatori Heli Mufflers. Includes pictures and measurements. (1.6 meg) Curtis Muscle Pipe Instructions Acrobat file The Instructions assume you are using the Curtis header and does not give total length. If you are using other than a Curtis header, then measuring along the center line of the header, the length of the header should be 3 1/8 inches. This is from the side of the engine exhaust to the end of the header.