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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 Akrapovic Slip-On Line is a bolt-on black titanium muffler for the 2018-2025 Kawasaki Z900RS and Z900RS Cafe, shaped as a retro racing megaphone.
The Z900RS is a modern classic, and that changes the brief. A hexagonal race canister would look wrong on it; Akrapovič instead built a tapered megaphone that reads as period-correct while being made the modern way. On the Cafe in particular, with its bikini fairing and lower bars, the shape is the point.
The black coating over titanium suits the bike's darker colourways and avoids the blueing a bare titanium sleeve develops with heat.
Measured gains are +0.7 kW at 8,200 rpm and +1.0 Nm at 5,250 rpm — modest and honestly stated. It is EC/ECE type approved, so the bike stays road legal.
Fits the 2018-2025 Kawasaki Z900RS and Z900RS Cafe. Note this is a different muffler from the one for the standard Z900 naked — the RS uses its own exhaust routing.
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