After Market Exhaust - issue with FMF - Kawasaki KLR 650 Forum
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post #1 of 9 Old 06-01-2013, 05:12 AM Thread Starter
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Exclamation After Market Exhaust - issue with FMF

Okay my stock muffler is starting to show its age on my 2008 KLR. So I have been shopping around for an aftermarket product. I am looking for something that is light weight (ex. aluminum or carbon fibre). I was looking at the FMF exhaust, both the Powercore 4 or the Q4 slip on exhaust. It is sold at many online stores and it seems many people use them.

After looking at the website for FMFracing, I was shocked to see the following statement under both exhausts:

"For Closed Course Competition Use Only. Not Intended for Street Use."

I did not see that statement in any of the online stores I was looking at. So am I to understand that FMFracing does not product any aftermarket street exhausts for the KLR 650?
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post #2 of 9 Old 06-01-2013, 08:10 AM
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I would be surprised if ANY aftermarket exhausts are "intended for street use" as there is probably some kind of government approval/certification necessary (depending where you live) and likely regulations forbidding replacement of OEM exhaust with anything louder.

On the other hand, I've never heard of any aftermarket exhausts being prosecuted.

The spark arrestor (US Forest Service) approval is another issue. There are places you can get into trouble for riding without USFS approval on your exhaust.

My KLR came with a Big Gun exhaust as well as the original unused stocker. I sold the BG and installed the original - I like quiet.
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post #3 of 9 Old 06-01-2013, 08:12 AM
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someone correct me if i'm wrong but i think all after market exhausts come with a "not for highway use" disclaimer due to high dB ratings.
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post #4 of 9 Old 06-01-2013, 08:18 AM
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I also think it's a decibel issue but don't know for sure........I held out for ages to switch to a slip on for just this issue. I do not like loud exhausts personally but after opening up a stock can I soon switched my way of thinking. I swore I could get almost the same amount of flow from a stock can....I was wrong ! There is so much inside a stock can to interupt the flow that it will never flow the same as a slip on. You do have to suffer the louder sound but depending upon what insert you use inside that slip-on you can reduce it dramatically. Personally I use a LEXX and have had great success from it so far. I has held up well for the year I have used it so far. No signs of any damages or product reliability issues. It also is inexpensive as slip-ons go.

Just saying......maybe something to think about if you are in the market for a new one....?

Willys
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post #5 of 9 Old 06-01-2013, 09:03 AM Thread Starter
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Quote:
Originally Posted by a4twenty View Post
someone correct me if i'm wrong but i think all after market exhausts come with a "not for highway use" disclaimer due to high dB ratings.
Cannot correct you on anything here but I would ask the question, if you are correct then a harley should only be for closed circuits...
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post #6 of 9 Old 06-01-2013, 09:05 AM Thread Starter
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Quote:
Originally Posted by willys View Post
...Personally I use a LEXX and have had great success from it so far. I has held up well for the year I have used it so far. No signs of any damages or product reliability issues. It also is inexpensive as slip-ons go.

Just saying......maybe something to think about if you are in the market for a new one....?
Definitely will take a look... Where would you buy in Canada...trying to find an online store that sells it. ViscousCycle does not have it listed....

Last edited by fradsham; 06-01-2013 at 09:20 AM.
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post #7 of 9 Old 06-01-2013, 09:35 AM
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Quote:
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Cannot correct you on anything here but I would ask the question, if you are correct then a harley should only be for closed circuits...
i think if the police had the tools and inclination, yes all or at least most motorcycles with after market exhausts would be ticketed for noise pollution. most of these pipes are rated much higher than legally allowed for street use. don't get me wrong, i've been researching pipes too

Quote:
Originally Posted by willys View Post
Personally I use a LEXX and have had great success from it so far. I has held up well for the year I have used it so far. No signs of any damages or product reliability issues. It also is inexpensive as slip-ons go.
do they need to be repacked? i've been looking at the Leo Vince specifically for that reason, maintenance free.
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post #8 of 9 Old 06-01-2013, 10:04 AM
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Yes the do need replacking and I thought mine was getting loud, opened it up took the perfectly good packing out and installed the best money could buy for no reason....doh!!!!

I bought mine of Fleabay I think....but had a buddy bring it up for me......I thought Eric would have sold it seeing as how popular they are becoming.

For less than $200 imho it's a steal!

Willys
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post #9 of 9 Old 06-01-2013, 10:28 AM
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The problem that aftermarket exhaust makers face is that the US EPA requires that the exhuast be tested for the exact model of the bike. On the OEM there's an embossed stamp stating that it meets the EPA specs for loudness for the KLR year range. So unless the exhaust makers want to submt an exhaust for each model and pay to have it tested they just get around it by stating it's not legal for street use. Notice that in magazine ads the aftermarket guys don't show a street legal bike!

BTW Harley sells their own replacement exhausts that they get EPA certifed. Of course there are still the louder aftermarket ones that all the pirates run (if they aren't running straight pipes, arghh).

There's a federal law regarding exhaust noise levels and communities are using that to crack down on loud bikes. California (my state) passed a law that basically states that if the exhaust doesn't have the EPA label it's illegal, doesn't matter if it's quiet or not.

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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