Customer Service (503) 832-7336
The Only Place For People Who Ride





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Free standard shipping on orders over $149
We ship to the lower 48 United States. Orders over $149 ship free; a flat rate applies under $149. Estimated delivery dates are shown at checkout based on item availability and the shipping option you choose.
We text or call to confirm sizing & fitment before we ship.
Every Factory SuperBike order includes a free expert check from real riders. Before we ship helmets and gear, we text or call to confirm your size and fit; for parts, we verify fitment to your bike. This is why we don't have to guess and you don't have to gamble.
Helmet & gear orders: reply to our text to confirm and your order ships, typically same day. No reply within 48 hours and we'll call you. Questions now? Call or text (503) 832-7336.
The Yoshimura Signature Series RS-5 Full Exhaust System is a complete header-and-muffler replacement built with a stainless steel header, an aluminum canister and a stainless steel end cap.
The RS-5 is the canister Yoshimura built around a shorter, stubbier profile — the answer for machines where a long muffler will not physically fit or will not look right. It gives up nothing structurally; it simply packages the same volume into less length.
As a Signature Series part it is built to Yoshimura's highest standard of construction and finish, and as a full system it replaces the header as well as the muffler, which is where the change in power delivery comes from.
Confirm fitment before ordering. This listing arrived from the distributor feed without a verified application, and we will not publish a make, model and year range we cannot stand behind. Check part number 961-8163 against Yoshimura's application chart, or contact us and we will confirm it for your machine. Check your local sound and emissions requirements before fitting.
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