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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 GP Slip-On is a bolt-on muffler in titanium and carbon fibre for the 2021-2022 Honda CBR1000RR-R Fireblade and Fireblade SP.
The GP designation refers to the muffler's shape and internal layout — short, aggressively tapered and modelled on what Akrapovič runs on their race bikes rather than a road canister with a sportier end cap.
The CBR1000RR-R is built around an engine with MotoGP thinking behind it, and Honda then had to wrap it in one of the largest Euro 5 exhausts ever fitted to a sportbike. A GP slip-on is the most visually and acoustically dramatic change available without going to a full system.
Fits the 2021-2022 Honda CBR1000RR-R Fireblade and Fireblade SP. Honda revised the CBR1000RR-R for 2024 and that machine takes a different muffler — check your model year before ordering.
Check your local sound and emissions requirements before fitting.
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