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1-8 of 9 Results
  1. Bikes/Parts Wanted
    I have a 1999 R1 and looking for a period correct full Akrapovic exhaust.
  2. 04-06 Performance Group
    So I have a full Graves system, Power Commander V, and dyno tune and was wondering if I wanted to change the slip ons would I have to get the bike retuned?
  3. 09-14 R1 Mechanical Help
    When installing aftermarket slip-ons (in this case Yosh R77), do OEM exhaust gaskets need to come off? Connecting pipe on Yosh has a cut in it (presumably to let it flex a little, I suspect so it can fit around the OEM gaskets?) but it seems way too tight, but then again I haven't the slightest...
  4. Appearance & Mods
    Hi, Local track here enforces a 97 decibel limit for motorcycles on track. Given I have a tune, I am hesitant in installing my stock cat and exhausts back on. Do you know of any silencers that will help? I found these on ebay but unsure if they actually do anything...
  5. Appearance & Mods
    Trying to find someone who has a 2009-14 r1 in the MD/DE area with a Toce exhaust. I would like to hear one in person. I have 3/4 two bros and i like it but wouldn’t mind something louder. Maybe even willing to trade slip ons if someone is interested. Any help would be greatly appreciate.
  6. General Motorcycle Discussions
    I have a 2017 Yamaha R1. I just bought my SC Project exhaust. I need a tune. Do I just get the PCV, get my ECU Flashed, or get the bike on a Dyno? I thought I had an understanding of these, but after reading some more I guess I don’t. I’ve heard of getting the ECU flashed, and then putting it on...
  7. Appearance & Mods
    Hi I have a 2018 R1 that I use only for the race track. The tracks on this side of the pond typically have pretty strict noise limits. I would like to do a decat and ECU flash, but I'm worried how much the cat removal will affect the noise level of my bike. I have an option of going for a...
  8. Yamaha YZF-R1 - R1M General Discussion
    Is there a noticeable sound difference between a fully stock exhaust system compared to an Akrapovic slip on, with the cats still in place? I currently have an m4 mid-pipe with the stock muffler and I'm thinking about purchasing an Akra slip on, but only if the sound is a bit louder.
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