De-baffle the stock exhaust - Page 3
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Thread: De-baffle the stock exhaust

  1. #61
    Very Active Member Bosox's Avatar
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    Found this one where he says 4 1/2" holes were drilled out in each back plate:

    [ame]http://www.youtube.com/watch?v=mqubLTEtkHI[/ame]
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  3. #62
    Very Active Member Bosox's Avatar
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    Any this one from the same guys where he just says drilled out. Can't tell if it sounds different. Wish he was out in the open, but beggers can't be choosers

    [ame]http://www.youtube.com/watch?v=wWle8wNBz6E&feature=related[/ame]
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  4. #63
    Active Member Rockies Rider's Avatar
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    Default Exhaust mod.

    I just did this mod and it is great!! I did it in stages like most people have said they did it. I removed first one baffle then tried it and so on. I removed both baffle's and drilled two half inch holes horizontally across from each other. At that point I ran the bike and liked the noise level so I did not finish drilling the half inch holes. This is a great mod and is very easy to do. Also it only takes maybe five to ten minutes and your done!

    Thanks a lot for the great pics and how to!!!

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  6. #64
    Very Active Member She's real fine my 109's Avatar
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    You guys make me laugh. Its not debaffle. If you debaffle you take the baffles out. Your just drilling them..

    Ive debaffled and you can stick your arm up inside the pipes...Thats debaffle, when you got the baffle in your hand. LMFAO.
    Good combo for the nine. 265/40/18 or P265/45R 18 Michelin Pilot Sport and Metz 130/70/18 front. Try it, youll like it.
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  7. #65
    Very Active Member GeorgiaRoller's Avatar
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    Quote Originally Posted by She's real fine my 109 View Post
    You guys make me laugh. Its not debaffle. If you debaffle you take the baffles out. Your just drilling them..

    Ive debaffled and you can stick your arm up inside the pipes...Thats debaffle, when you got the baffle in your hand. LMFAO.
    Technically your correct. But it's not a big deal. You know what they mean.

  8. #66
    Very Active Member Bosox's Avatar
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    Quote Originally Posted by GeorgiaRoller View Post
    Technically your correct. But it's not a big deal. You know what they mean.
    When you quote him it forces me to read his non value add crap. You're defeating my ignone option
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  9. #67
    Very Active Member LuciousBlvd's Avatar
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    Quote Originally Posted by Bosox View Post
    When you quote him it forces me to read his non value add crap. You're defeating my ignone option
    and it encourages him/her

    Quote Originally Posted by bullrider View Post
    thick shmoopucky(technical term for gunk)

  10. #68
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    just drilled out the baffles on my 07 stock exhaust. removed 4 plates, 2 from the top, 2 from the bottom. tested it without the 8 1/2 inch holes in the back plate. couldn't really tell the difference at idle, not until i reved the throttle could I really notice a difference. so I went ahead and drilled out the 8 1/2 in holes in the back plates. really noticed it then, even in idle. i did notice what looks like another set of plates before the curve in both pipes. thought about drillin those out, but it sounds good enough without havin to do that, plus id need a longer extension. I think its a 07 thing with the extra plates. either way, beats spendin 600 bucks on pipes. heres to the cheap 109 riders.

  11. #69
    Very Active Member crossq's Avatar
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    Thumbs up De-baffle'n the M

    Thanks Dewmanco, I will be head to the hardware store to pick up some additions to my drill set and start getting this baby breathing !!!!! I am also about to change my clutch and thinking about going with a aftermarket cycle house high performance with MTC springs... any suggestions ??

    crossq ([email protected])

  12. #70

    Default Baffles

    Ok, I have a 2006 and I was only able to drill out 1 baffle in each pipe. I actually used 1 3/8 instead of 1 1/4" hole saw...its a perfect fit! So with a 12" extension, I can't reach #2 baffle in each...whats up? By just drilling out one it sounds chirpy when I rev it up and the rpms come back down...Not sure if they make a long extension for the hole saw I have. I'll try drilling 4 holes in the end caps and go from there.

  13. #71
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    Default Best upgrade for the money so far

    Thanks, great sound and only spent $40 total. Two walls and four holes on each pipe. Was able to use a 10" extension. Maybe as I get older and my hearing is going away I'll get to 8 holes. This sight has been great for how to's and finding parts.

  14. #72
    Very Active Member GeorgiaRoller's Avatar
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    Quote Originally Posted by psiedoff View Post
    Ok, I have a 2006 and I was only able to drill out 1 baffle in each pipe. I actually used 1 3/8 instead of 1 1/4" hole saw...its a perfect fit! So with a 12" extension, I can't reach #2 baffle in each...whats up? By just drilling out one it sounds chirpy when I rev it up and the rpms come back down...Not sure if they make a long extension for the hole saw I have. I'll try drilling 4 holes in the end caps and go from there.
    On page 2 of this thread I gave pics. & a full parts list including a 18" extension you can get from Home Depot or Lowes. Why didn't you just do that?

  15. #73

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    Quote Originally Posted by GeorgiaRoller View Post
    On page 2 of this thread I gave pics. & a full parts list including a 18" extension you can get from Home Depot or Lowes. Why didn't you just do that?

    Yes, I went to Menards and got an 18" extension and was able to drill out the 2nd baffle plate. But lost both inside my pipes. Sounds a bit better...I took off the top exhaust slip on and at the cross-over pipe, inside I noticed catalayorconverter core inside...this is what is restricting the sound don't you think? Has anyone removed this stuff on the stock pipes to see how it sounds? I'd just hate to loss my stock pipe look and the cross over. I'm thinking that removing the honeycomb would let it roar better! thoughts

  16. #74
    Very Active Member GeorgiaRoller's Avatar
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    Quote Originally Posted by psiedoff View Post
    Yes, I went to Menards and got an 18" extension and was able to drill out the 2nd baffle plate. But lost both inside my pipes. Sounds a bit better...I took off the top exhaust slip on and at the cross-over pipe, inside I noticed catalayorconverter core inside...this is what is restricting the sound don't you think? Has anyone removed this stuff on the stock pipes to see how it sounds? I'd just hate to loss my stock pipe look and the cross over. I'm thinking that removing the honeycomb would let it roar better! thoughts
    Yes some guys have completely "Gutted" the pipes which is a true & complete debaffle job. I have not heard that in person however. With the 18" extension you can successfully drill through all three plates on each pipe. Even with all three plates bored out and 7 or 8 1/2" holes in the end cap it's still not a "loud" setup. It will however be much more throaty/sporty sounding. I have not noticed any loss of power by doing this.

  17. #75
    Very Active Member Hink's Avatar
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    Quote Originally Posted by psiedoff View Post
    Yes, I went to Menards and got an 18" extension and was able to drill out the 2nd baffle plate. But lost both inside my pipes. Sounds a bit better...I took off the top exhaust slip on and at the cross-over pipe, inside I noticed catalayorconverter core inside...this is what is restricting the sound don't you think? Has anyone removed this stuff on the stock pipes to see how it sounds? I'd just hate to loss my stock pipe look and the cross over. I'm thinking that removing the honeycomb would let it roar better! thoughts
    If you remove/hollow out the CAT, you will lose low end torque! You will notice a difference in performance... especially if you end up removing the cans, and putting tips on. Just a FYI!


    Oh, I rans scorpion tips, with the CAT intact... That is NOT what is making it quiet. The cans, are mufflers... period. If you want to make it loud, drill/grind out the tack welds, and remove all the internals in the mufflers...
    Last edited by Hink; 04-01-2010 at 01:46 PM.

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  18. #76
    Very Active Member Delmustator's Avatar
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    Quote Originally Posted by GeorgiaRoller View Post
    Yes some guys have completely "Gutted" the pipes which is a true & complete debaffle job. I have not heard that in person however. With the 18" extension you can successfully drill through all three plates on each pipe. Even with all three plates bored out and 7 or 8 1/2" holes in the end cap it's still not a "loud" setup. It will however be much more throaty/sporty sounding. I have not noticed any loss of power by doing this.
    I used to make Baffle Busters that were 24 inches long and welded together with replaceable hole saw tip. You could drill all the way into the CAT if you wanted.

    As for the exhaust after debaffle,, just a little louder at idle, definitely louder under load. Perfect for those cops that want to give loud pipe bikes a ticket (i.e. Myrtle Beach).

    Note: Debaffling the exhaust off the bike is a PITA...
    Last edited by Delmustator; 04-01-2010 at 02:59 PM.
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  19. #77
    Very Active Member Krusher's Avatar
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    Ok, I've read each and every post. Just in case I missed something, don't bash me (there's a total of 76 posts mind you). From what I understand if you change aftermarket filters (K&N for example) using the stock cover you would require fuel management. With that being said, would a Duck's mod using the OEM filter and drilling out all 3 baffles require fuel management?

  20. #78
    Very Active Member GeorgiaRoller's Avatar
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    Quote Originally Posted by Krusher View Post
    Ok, I've read each and every post. Just in case I missed something, don't bash me (there's a total of 76 posts mind you). From what I understand if you change aftermarket filters (K&N for example) using the stock cover you would require fuel management. With that being said, would a Duck's mod using the OEM filter and drilling out all 3 baffles require fuel management?
    From what I understand if you change aftermarket filters (K&N for example) using the stock cover you would require fuel management? NO

    Would a Duck's mod using the OEM filter and drilling out all 3 baffles require fuel management? YES

    Any time you increase the air flow with an aftermarket intake (including a Ducks Mod) then you really need to get a FI controller. Having said that your bike will probably run crisper with a FI controller entirely stock, but it's not necessary.

    I'm running drilled out stock pipes, K&N replacement filters, Ducks mod covers & Cobra FI Controller and it all works great. (also have the Smart TRE).

  21. #79
    Very Active Member Krusher's Avatar
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    Thanks, that's exactly what I needed to know. I haven't run into any performance issues that I know of since the Duck's mod, but from what you're saying I might (and probably will) with the exhaust drilling.
    Last edited by Krusher; 04-07-2010 at 01:26 PM.

  22. #80
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    Just got my first M109R. I have been wanting this bike since 2006. My question is Will this void my warranty?

  23. #81
    Very Active Member Screamnyellozonker's Avatar
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    My dealer tried to sell me a bike [orange] too slow with a set of roadhouse pipes on it and it was new. I bought a fast one [yellow] with the stock pipes. I now have a raw shorty and can put the stocker back on if I need to. Look in the manual It says it is illeagle to modify the parts that effect sound levels. My guess is it will depend on your dealer and what goes wrong.
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  24. #82
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    Quote Originally Posted by Screamnyellozonker View Post
    My dealer tried to sell me a bike [orange] too slow with a set of roadhouse pipes on it and it was new. I bought a fast one [yellow] with the stock pipes. I now have a raw shorty and can put the stocker back on if I need to. Look in the manual It says it is illeagle to modify the parts that effect sound levels. My guess is it will depend on your dealer and what goes wrong.
    The only reason I ask is that I got a 4 year warranty and if it is going to void that then im not doing it. It cost a chunk of change to get it. Thanks for the reply.

  25. #83
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    Do you "gentlemen" happen to know if I would use the same process for the 90?

  26. #84
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    Quote Originally Posted by nbnight View Post
    Do you "gentlemen" happen to know if I would use the same process for the 90?
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  27. #85
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    Default New c109r, need help

    Hello all, just purchased a new c109r and i want to debaffle the pipes. Has anyone done this to their c109r ? How many walls is there, what tools do i use and how should i do it. I live in Hagerstown md and i'm willing to travel some if anybody is willing to help me. I really dont want to screw this up. Wife is like DONT YOU DARE DO THIS, IM LIKE Riiiiiiiiiight honey. Thanks all

  28. #86
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    Default De-baffle exhaust

    Thanks..... I purchased my M109 a week ago and I'm so glad there is a webpage like this, doing the debaffle of my bike was so easy following the steps you all log here. I'll keep checking the "How to, step by step" board to see what else I can do to my M109R....

    Once again ... Thank you ALL..!!!

  29. #87
    Very Active Member Krusher's Avatar
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    Quote Originally Posted by Screamnyellozonker View Post
    My dealer tried to sell me a bike [orange] too slow with a set of roadhouse pipes on it and it was new. I bought a fast one [yellow] with the stock pipes. I now have a raw shorty and can put the stocker back on if I need to. Look in the manual It says it is illeagle to modify the parts that effect sound levels. My guess is it will depend on your dealer and what goes wrong.
    Has anyone experienced problems getting their Nine passed during vehicle inspections (realizing inspections vary from state to state)?

  30. #88
    Very Active Member Bosox's Avatar
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    Quote Originally Posted by Krusher View Post
    Has anyone experienced problems getting their Nine passed during vehicle inspections (realizing inspections vary from state to state)?
    good question
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  31. #89
    Very Active Member yellow109r's Avatar
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    Talking

    I gutted mine it sounds way better I posted a vid but it is very pepy now with the atre mod and the gutted exhaust it keeps up with my buddys gsxr 750

  32. #90
    Very Active Member Bosox's Avatar
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    Drilled out the 2 baffles, tested it. Wanted it a little louder so I drilled 4 1/2" holes in each pipe. Took it for a blast, sounds just right....If I can do it, anyone can. All 4 baffles came out in the holesaw.
    Last edited by Bosox; 05-17-2010 at 09:56 PM.
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