De-mod! Supertrapp IDS2 back to Stock Muffler - Kawasaki KLR 650 Forum
2008+ KLR650 Wrenching & Mod Questions For repair, maintaining or modifying discussions related to the newly updated 2008 and beyond, Generation 2 KLR650 Motorcycle.

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post #1 of 22 Old 06-12-2013, 11:59 PM Thread Starter
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De-mod! Supertrapp IDS2 back to Stock Muffler

A month ago I bought a used 2009 KLR 650 that came with the Supertrapp IDS2 muffler. The guy that had the bike before me put it on because he didn't like the sound of the stock muffler. I drove with the IDS2 muffler for the past month. It was definitely louder than stock (from my memory) and had the bad habit of backfiring with engine braking. Well today, out of curiosity, I thought I'd just put the stock back on. Took me 15 minutes. Started my bike up and it was much, much quieter! Took the bike out tonight for a 1 hour ride up and down some big hills and a few highway miles. I love it!! Big difference to me is that everything to do with the engine is smoother, especially acceleration and deceleration. AND NO BACK FIRING AT ALL!! And did I mention that it is much quieter?!

I realize that the IDS2 was probably installed wrong, but I don't have the interest in making it work properly. The stock muffler seems fine. Heck, maybe Kawasaki made a muffler that was optimal for the engine????? And I have to admit that I like the tweet of the stock muffler!! After all I am a KLR rider!!!

Anyways, going to sell the IDS2. Looks to be relatively new. Maybe 2000km. Anybody interested? If so name a fair price.

Cheers,
Peter
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post #2 of 22 Old 06-13-2013, 08:57 AM
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My KLR came with a Big Gun that was installed right when the bike was delivered, plus the original unused stock exhaust. The BG was antisocially loud. Reinstalled the stocker and like it much much more. No tweet (yet).
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post #3 of 22 Old 06-13-2013, 09:43 AM
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You might've made up my mind for me, too.

I just bought a DG exhaust. It's lighter and sure looks good, but I know it'll be loud and my bike will need re-jetting to get rid of the decel popping.

Unsure if the trade-off is worth it so maybe someone else would prefer it.

I predict you'll see my DG exhaust in the classifieds soon (along with yours)!
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post #4 of 22 Old 06-13-2013, 10:19 AM
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I find with my LEXX when using the quiet insert that it's reasonable sound level wise when running at sensible RPMs but will bark a bit when riding a bit like a hooligan, fast and at higher RPMs. But if sensible it's acceptable, and that is where I normally ride. These slip-on cans are much better flow wise IF that is why you are wanting to use one over the stock can. If you think the savings in weight is a factor, personally I don't see it making that much difference, then they are also much lighter.
It's all a personal choice....but loud pipes do give bikes a bad name when upsetting the locals is concerned either out in the woods or in the city. It's only other riders who enjoy the sound of the loud pipe that will like them...all the rest will be disgusted with the sound I bet!
Again to each their own and please think of what people think of us as a whole.

Willys
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post #5 of 22 Old 06-13-2013, 10:59 AM
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I find with my LEXX when using the quiet insert that it's reasonable sound level wise when running at sensible RPMs but will bark a bit when riding a bit like a hooligan, fast and at higher RPMs. But if sensible it's acceptable, and that is where I normally ride. These slip-on cans are much better flow wise IF that is why you are wanting to use one over the stock can. If you think the savings in weight is a factor, personally I don't see it making that much difference, then they are also much lighter.
It's all a personal choice....but loud pipes do give bikes a bad name when upsetting the locals is concerned either out in the woods or in the city. It's only other riders who enjoy the sound of the loud pipe that will like them...all the rest will be disgusted with the sound I bet!
Again to each their own and please think of what people think of us as a whole.

Big +1

I've been way up in the mountains, miles away from a highway and have heard squadrons of Harleys booming along. Sheesh why would you want to ride a bike that made that much noise?

No eye has seen, no ear has heard, no mind has conceived what God has prepared for those who love him. 1 Cor 2:9
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post #6 of 22 Old 06-13-2013, 01:04 PM
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I've got an FMF exhaust on my bike, I think it's probably louder than stock (came on the bike), but not obnoxious - and I like that if I'm forced to be in a car's blind spot, it's loud enough to feel like the car should at least hear me there if I open up the throttle a bit.

What they really need for bikes like these is an exhaust that could be either loud or quiet - loud for highway performance and safety, quiet for more stealthy trail riding.
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post #7 of 22 Old 06-13-2013, 03:30 PM Thread Starter
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Originally Posted by geolemon View Post
I've got an FMF exhaust on my bike, I think it's probably louder than stock (came on the bike), but not obnoxious - and I like that if I'm forced to be in a car's blind spot, it's loud enough to feel like the car should at least hear me there if I open up the throttle a bit.

What they really need for bikes like these is an exhaust that could be either loud or quiet - loud for highway performance and safety, quiet for more stealthy trail riding.
Good point about the safety aspect of being loud. My bike is now like a loud scooter and doesn't offer much in terms of making other cars aware of me by sound. Something to think about, but for now I am really enjoying the quiet!

Having a switch that one could set loudness would be a pretty cool feature!

But sound aside, my bike is just running a lot smoother with the stock on.
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post #8 of 22 Old 06-14-2013, 12:52 AM
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I regularly drive to work on one of the main North/South corridors to Sturgis. I'm already seeing Harleys heading North, some of them even under their own power and not on trailers behind Ford F-250's. I'll see a lot of them from now until August. I only mention Harleys because in my experience they tend to be about the loudest bikes on the road.

When I see them coming up in my rearview mirrors, I never hear them until they're at least abreast of my driver's door where I would see them anyway. If I've got my iPod cranked through my car stereo, I don't hear them at all even when they're right in front of me.

Mine's not, but most of today's cars are extremely well soundproofed. Don't count on somebody in a car hearing you. Don't count on them seeing you, either.

I don't buy the "Loud Pipes Save Lives" theory because I sure don't hear them in time for their sound to make any difference and my hearing is actually still quite good according to my audiologist.




Last edited by planalp; 06-14-2013 at 01:26 AM.
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post #9 of 22 Old 06-15-2013, 12:04 PM
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I may be a goof but I like the stock sound hahaha
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post #10 of 22 Old 06-15-2013, 01:32 PM
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just going to go ahead and say that a car will not hear you in thier blind spot on the freeway if theier windows are up, most likely have music on or talking on a phone. hwy speeds rip sound away an the sound is already coming from behind you and you are behind them. dont think you are safe because they can "hear you" because 99.9% of the time they cant wont or will not figure out what it is in thier brain anyway.

Never ride faster than your angels can fly
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