To Get Some Different Exhaust Notes - Page 2 - Honda CBR250R Forum : Honda CBR 250 Forums
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post #11 of 13 Old 08-09-2017, 07:16 AM Thread Starter
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Originally Posted by shisoshin View Post
why not replace the heavy stock muffler - 7kg [over 15lb]
with a good slip-on of your choice, with a range of
potential sounds and db reducers available..
[your motorcycle of course,, just another alternative]
Yes that's a good idea. Haven't tried seriously searching for them. Whenever I youtubed for some, most of them are so loud and its noise resembles to some diesel generators and lawn movers.
What feels good to my ears is something like the sweet notes of the CBR 650 F. And I know, unfortunately, that's not possible for a single cylinder to play a such music.
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post #12 of 13 Old 08-09-2017, 09:30 PM
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well, context.. poster wants louder/different 'exhaust note'..
if it was about emissions and changing 'exhaust note'
perhaps add-on or retrofit cats such as akrapovic,
additional to, the slip-on..

eu4/5 will mean cats closer to the combustion process
thus further forward of mufflers/slipons [anyway]..
thus cbr250r slow to light muffler cat is already
virtually obsolete,, in terms of emissions laws
and evolving motorcycle design to meet them..

fuel injection, cats, ride-by-wire, variable valves,
and so on, are here or soon will be..

the simple small single 4stroke motorcycle [even]
will join other petrol burning engines and dinosaurs..
for now, for me, my engine is 1/4 or less the size of
cars, more efficient and cleaner, esp in traffic etc..
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post #13 of 13 Old 08-11-2017, 10:03 AM
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I'm not a big fan of loud exhausts on bikes. My old Ninja 250R had a full Two Brothers exhaust and it was absolutely obnoxious. I bought it used from a friend after totaling my first Ninja250R, so it sort of came with the bike, but it was so loud that I never really got used to it. Drove my neighbors crazy too.
That said, after too many near misses on my CBR250R with wildlife I wanted something at least a little louder than the stock pipe to help announce my presence. After a lot of research I settled on the Delkevic DL-10 and I have to say I'm completely happy with my choice.
Yeah, it's a little loud, but not overly so. Maybe HALF as loud as the Two Brothers set up. I can dial it back in downtown traffic to escape the notice of police (even though it's street legal), but on an open road I've come to really love the sound.
It's not "raspy" or noisy just for the sake of being noisy. It has a nice bassy, throaty note that doesn't make the bike sound at all like a lawn mower on steroids like some more expensive Yoshimura's or shorter cans I've heard. It's been really easy to live with and has so completely changed the personality of the bike that it feels like a different ride entirely.
There are good slip ons out there that will serve your needs for a much better sound without being annoying and they don't necessarily have to be super expensive like the Akrapovics are, but it will take diligent research on your part to find the right one. You don't want to drop a few hundred bucks on a new exhaust and then find out after it's installed that you can't live with the sound. It takes a lot of viewing of YouTube videos (keeping in mind that the sound on those videos is rarely accurate to what you'll hear) and wading through dozens of reviews of every slip on you might consider, but it's all worth it when you finally find the right one.
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