Return HDR75iS Fits 3W-60i, 70i, 75i, 80xi, 85xi when engine mounted sideways Drop 3.50”, Run 5.75” Price : $55.00 Quantity : **Add To Cart 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