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We are the exclusive factory authorized importer of 3W-Modellmotoren engines for North America.
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Picture of HDR75iS - Fits 3W-60i, 70i, 75i, 80xi, 85xi when engine mounted sideways

HDR75iS - Fits 3W-60i, 70i, 75i, 80xi, 85xi when engine mounted sideways

Drop 3.50”, Run 5.75”
$55.00
Straight Aluminum Header
Fits 3W 60i, 70i, 75i, 80Xi, 85xi
 
 
Aluminum Header Ø25mm, incl. Gasket and Mounting Hardware

  • Drop is measured from the face of the flange at the mounting bolt centerline to the centerline of the output tube

  • Run is measured from the center of the exhaust port to the end of the output tube

  • Run can vary across batches
    as much as +/- 0.25"

  • Drop can vary across batches
    as much as +/- 0.125"
Specifications
D
Drop
3.50"
R
Run
5.75"
OD
Output Diameter
0.984" / 25mm
 
Angled Flange
YES
 
 
Specifications Subject To
Change Without Notice
Information
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