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Old 05-06-2009, 08:24 AM   #1 (permalink)
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TB 108cc exhaust

I posted up in the wanted ads for a big bore exhaust, only to have one guy with the old style chp get back at me. Its a good deal but looking for something more quieter. I guess what i am asking for is whats a good quiet one. I have read and read and read on here. Every exhaust is an opinion on which one is better to which dyno was used. I just would like a well constructed one that is on the quieter side of them all. Just curious as to what everyones cc is and how loud there pipes are. Got to order one this week! unless someone has a used one floating around.
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Old 05-06-2009, 09:17 AM   #2 (permalink)
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Re: TB 108cc exhaust

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Originally Posted by FLATLINEcustoms View Post
I posted up in the wanted ads for a big bore exhaust, only to have one guy with the old style chp get back at me. Its a good deal but looking for something more quieter. I guess what i am asking for is whats a good quiet one. I have read and read and read on here. Every exhaust is an opinion on which one is better to which dyno was used. I just would like a well constructed one that is on the quieter side of them all. Just curious as to what everyones cc is and how loud there pipes are. Got to order one this week! unless someone has a used one floating around.
I'll play.

TB 88RH on the motor, Two Bros. M-6 exhuast. This thing was stupid loud when I first got it. I added the sound dampening tip and it made a huge difference. It's defintiely louder than my FMF Powercore 4 was with the non RH TB 88, but not too loud at all.
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Old 05-06-2009, 10:51 AM   #3 (permalink)
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Re: TB 108cc exhaust

Well atleast one person has a pipe. I think i am narrowed down to the FMF 4.1, BBR d2, or two bros... BBR and TwoBros. have a silencer. Then I read some people run big bore pipes on 108's and some do not. Any take on this?
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Old 05-06-2009, 11:57 AM   #4 (permalink)
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Re: TB 108cc exhaust

I have a powercore 4 big bore on my 88 sh kit its pretty quiet and it makes a big difference in power
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Well atleast one person has a pipe. I think i am narrowed down to the FMF 4.1, BBR d2, or two bros... BBR and TwoBros. have a silencer. Then I read some people run big bore pipes on 108's and some do not. Any take on this?
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Old 05-06-2009, 01:46 PM   #5 (permalink)
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Re: TB 108cc exhaust

Whats the difference in FMF 4 and 4.1? which would be better on a 108? Or is it all personal preference...
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Old 05-06-2009, 03:52 PM   #6 (permalink)
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Re: TB 108cc exhaust

Go 4.1 its a bigger exhaust... Not to big for a 108 though..
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Old 05-07-2009, 09:06 AM   #7 (permalink)
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Re: TB 108cc exhaust

K is it loud at all? I mean your the only one saying anything about exhausts in here. So i guess i will try that one.
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Old 05-07-2009, 10:23 AM   #8 (permalink)
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Re: TB 108cc exhaust

bbr pipe with stock baffle is your best bet without robbing too much performance.
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Old 05-07-2009, 10:26 AM   #9 (permalink)
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Re: TB 108cc exhaust

The 4.1 is pretty loud. I had one on my TB88 w/RH. It's a great pipe though.
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Old 05-07-2009, 12:56 PM   #10 (permalink)
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Re: TB 108cc exhaust

Already ordered the 4.1 at lunch. Guess i will build a tuned insert if i have too... Looks sweet! I can have it loud most of the time. Just want to be able to quiet it down sometimes. Keep the neighbors happy.
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Old 05-07-2009, 01:03 PM   #11 (permalink)
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Re: TB 108cc exhaust

You are going to love the 4.1
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Old 05-07-2009, 01:41 PM   #12 (permalink)
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Re: TB 108cc exhaust

I bought a sano exhaust from a member off of here and that thing is loud as hell... I have to put my stock back on for night neighborhood rides..
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Old 05-08-2009, 08:09 AM   #13 (permalink)
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Re: TB 108cc exhaust

Terry (aka firepower) found that FMF sells quiet cores. Try'n to see if they fit the mini series...
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Old 05-08-2009, 08:17 AM   #14 (permalink)
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Re: TB 108cc exhaust

The FMF is loud enough to rattle your brain...it is no quieter than the Classic Ultima Pipes. But you can get a baffle for it that reduces sound, and unfortunately does kill performance.
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Old 05-08-2009, 10:31 AM   #15 (permalink)
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Re: TB 108cc exhaust

I have an fmf powercore 4 on my 106 and it sounds like a 450. stupid loud and my friends hate riding behind me.
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Old 05-08-2009, 11:01 AM   #16 (permalink)
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Re: TB 108cc exhaust

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I have an fmf powercore 4 on my 106 and it sounds like a 450. stupid loud and my friends hate riding behind me.
well that is loud isn't it! lol is that a raspy 450 sound or a thumperific 450 sound?
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Old 05-08-2009, 11:17 AM   #17 (permalink)
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Re: TB 108cc exhaust

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The FMF is loud enough to rattle your brain...it is no quieter than the Classic Ultima Pipes. But you can get a baffle for it that reduces sound, and unfortunately does kill performance.
Back to back testing? Dyno results? Lap times?

I hate the ridiculous noise some of the pipes make, and will be starting a petition to send to all the pipe makers to add some social responsibility to their lines.
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Old 05-08-2009, 02:53 PM   #18 (permalink)
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Re: TB 108cc exhaust

I know its a prob but I just love being louder then hell the power core 4 big bore sounds awsome and loud with the racehead, but the 4.1 sounds like a thumper and loud as it gets. love them both but the 4.1 was too pricey for me.
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Old 05-08-2009, 05:45 PM   #19 (permalink)
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Re: TB 108cc exhaust

Someone please tell me the exhaust i just bought is like an inch off on the rear hanger because i have a modified stock xr2003 frame... Please please tell me this is normal and i can just make a bracket for the exhaust.
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Old 05-08-2009, 05:55 PM   #20 (permalink)
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Re: TB 108cc exhaust

not sure if it's normal but you can always make a bracket to fit it up. easier than sending it back.
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