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I would like to install a slip on exhaust for my 2020 R3 and do not know if it is California legal. The one I am interested in is the Akrapovič slip-on line (SS) S-Y2SO11-AHCSS.
I have that particular exhaust on my R3. It really isn’t much louder than stock. I agree the stock can is big and ugly. If you don’t like the sound of stock, you probably wouldn’t like the Akra GP slip-on either. Just my opinion-Thank you for the response. I just read on their website about the slip on exhaust I want and it says non carb compliant for California. I don’t understand why this is not compliant or maybe it is for my motorcycle after all it is all stock and this is just a slip on. I would really like to be able to use it but don’t want a fix it ticket and have to put the stock exhaust on because I hate the sound of it and it is bulky.
I'm struggling to see the point in doing that for the unknown sound difference you'll get. Yes, the stock muffler makes little difference to the sound as most of the silencing is done at the cat. However, most slip-ons do what the OEM muffler can't do and that's "trumpet" the sound. The ends are usually much larger in diameter than the OEM muffler with less sound deadening material, allowing the sound to project louder than stock.Buy a used even rashed slipon to get the perforated core and packing . Cut open your stock muffler and replace the guts with the perforated tube and packing and get it welded together. Reuse your oem end cap.
That's the one I had! Looked great on my white R3.I ordered a Mussari GP Street series off amazon in black. It was cheap enough and has a removable db killer.