Muffler autopsy
#12
04-29-2008, 07:23 PM
#14
04-30-2008, 03:24 PM
Road Master
RE: Muffler autopsy
ORIGINAL: Limey
Used stock mufflers are cheaper. I have V&H slipons at the moment and even with the "quiet" baffles in they're very loud and I will get a ticket for it here in the UK if I'm caught. I was hoping that modified stock mufflers would be less anti-social and will definitely stop me getting a ticket.
ORIGINAL: RAWHIDE07
I advise against the mod.Used slip-ons are cheap and can be resold,if you buy a set and don't like them you can return to stock.Modified stock mufflers would be hard to sell.
I advise against the mod.Used slip-ons are cheap and can be resold,if you buy a set and don't like them you can return to stock.Modified stock mufflers would be hard to sell.
I havemoddified them by the same principle as you see on aftermarket cans ie a removable baffle that sits inside the "quiet" baffle.
Dead easy to make and takes that top edge off the sound (the raspy bit) i,m real pleased with the mod.
The performance feels at least the same,the tone maybe slightly deeper,i,ll let you know the dyno figures soon.
I,ve seen this used on other pipesin fact the pipe i used came from a BMW R1150R Remus muffler.
The pipe is 1 1/4" outside diameter, 2 1/2" long, with a bracket welded to the end with a 1/4" unc hole tapped in ittofasten inside the V&Hquiet baffle. The maximum length you could go to is 5" which could drop the sound more i,m not sure.
I drilled a clearance hole in the V&H baffle opposite to the existing hole with the backing nut as this makes any removal easier in the future.
I used the original V&H stainless fixing screws.
[IMG]local://upfiles/32129/569FF6791BD045E398E5D9EBF70F79CB.jpg[/IMG]
[IMG]local://upfiles/32129/4C9FE6D96256465290861017DD5AF2E7.jpg[/IMG]
#15
04-30-2008, 05:06 PM
Elite HDF Member
Join Date: Apr 2008
Location: Back in the Good Ole USA. South Carolina to be exact.
Posts: 4,718
Likes: 0
Received 10 Likes
on
6 Posts
RE: Muffler autopsy
I'm new to the group, first post.
I was hoping to see details of disassembling HD mufflers. Specifically those on the FXDF (which I picked up last week). It appears that removing the three rivets by clipping the ends inside the mufflers then grinding the remainder off w/a dremel toolthen pulling the baffle out is all that is required. Can anyone confirm this?
My plan would be to either modify the existing baffles or replace w/something like this:
http://www.bigcitythunder.com/pages/product-fit.html
Likely this would be a short term fix.
I've been riding a 1994 FXDL w/Bub Chamber Maid pipes and they ae just fantastic, absolutely the best sounding pipes around and the torque chambers really work great. Sorry, but the pipes on my new FXDF are just way too quiet. I am one of those that believes the louder the better.
I was hoping to see details of disassembling HD mufflers. Specifically those on the FXDF (which I picked up last week). It appears that removing the three rivets by clipping the ends inside the mufflers then grinding the remainder off w/a dremel toolthen pulling the baffle out is all that is required. Can anyone confirm this?
My plan would be to either modify the existing baffles or replace w/something like this:
http://www.bigcitythunder.com/pages/product-fit.html
Likely this would be a short term fix.
I've been riding a 1994 FXDL w/Bub Chamber Maid pipes and they ae just fantastic, absolutely the best sounding pipes around and the torque chambers really work great. Sorry, but the pipes on my new FXDF are just way too quiet. I am one of those that believes the louder the better.
#16
05-02-2008, 08:54 AM
RE: Muffler autopsy
ORIGINAL: cornishman
Hi Limey, i,m in the UK as well.I have Shortshots with"quiet" baffles and found them a little too loud for the same reasons as you.
I havemoddified them by the same principle as you see on aftermarket cans ie a removable baffle that sits inside the "quiet" baffle.
Dead easy to make and takes that top edge off the sound (the raspy bit) i,m real pleased with the mod.
The performance feels at least the same,the tone maybe slightly deeper,i,ll let you know the dyno figures soon.
I,ve seen this used on other pipesin fact the pipe i used came from a BMW R1150R Remus muffler.
The pipe is 1 1/4" outside diameter, 2 1/2" long, with a bracket welded to the end with a 1/4" unc hole tapped in ittofasten inside the V&Hquiet baffle. The maximum length you could go to is 5" which could drop the sound more i,m not sure.
I drilled a clearance hole in the V&H baffle opposite to the existing hole with the backing nut as this makes any removal easier in the future.
I used the original V&H stainless fixing screws.
[IMG]local://upfiles/32129/569FF6791BD045E398E5D9EBF70F79CB.jpg[/IMG]
[IMG]local://upfiles/32129/4C9FE6D96256465290861017DD5AF2E7.jpg[/IMG]
ORIGINAL: Limey
Used stock mufflers are cheaper. I have V&H slipons at the moment and even with the "quiet" baffles in they're very loud and I will get a ticket for it here in the UK if I'm caught. I was hoping that modified stock mufflers would be less anti-social and will definitely stop me getting a ticket.
ORIGINAL: RAWHIDE07
I advise against the mod.Used slip-ons are cheap and can be resold,if you buy a set and don't like them you can return to stock.Modified stock mufflers would be hard to sell.
I advise against the mod.Used slip-ons are cheap and can be resold,if you buy a set and don't like them you can return to stock.Modified stock mufflers would be hard to sell.
I havemoddified them by the same principle as you see on aftermarket cans ie a removable baffle that sits inside the "quiet" baffle.
Dead easy to make and takes that top edge off the sound (the raspy bit) i,m real pleased with the mod.
The performance feels at least the same,the tone maybe slightly deeper,i,ll let you know the dyno figures soon.
I,ve seen this used on other pipesin fact the pipe i used came from a BMW R1150R Remus muffler.
The pipe is 1 1/4" outside diameter, 2 1/2" long, with a bracket welded to the end with a 1/4" unc hole tapped in ittofasten inside the V&Hquiet baffle. The maximum length you could go to is 5" which could drop the sound more i,m not sure.
I drilled a clearance hole in the V&H baffle opposite to the existing hole with the backing nut as this makes any removal easier in the future.
I used the original V&H stainless fixing screws.
[IMG]local://upfiles/32129/569FF6791BD045E398E5D9EBF70F79CB.jpg[/IMG]
[IMG]local://upfiles/32129/4C9FE6D96256465290861017DD5AF2E7.jpg[/IMG]
#17
05-02-2008, 09:16 AM
Club Member
RE: Muffler autopsy
ORIGINAL: cornishman
Hi Limey, i,m in the UK as well.I have Shortshots with"quiet" baffles and found them a little too loud for the same reasons as you.
I havemoddified them by the same principle as you see on aftermarket cans ie a removable baffle that sits inside the "quiet" baffle.
Dead easy to make and takes that top edge off the sound (the raspy bit) i,m real pleased with the mod.
The performance feels at least the same,the tone maybe slightly deeper,i,ll let you know the dyno figures soon.
I,ve seen this used on other pipesin fact the pipe i used came from a BMW R1150R Remus muffler.
The pipe is 1 1/4" outside diameter, 2 1/2" long, with a bracket welded to the end with a 1/4" unc hole tapped in ittofasten inside the V&Hquiet baffle. The maximum length you could go to is 5" which could drop the sound more i,m not sure.
I drilled a clearance hole in the V&H baffle opposite to the existing hole with the backing nut as this makes any removal easier in the future.
I used the original V&H stainless fixing screws.
[IMG]local://upfiles/32129/569FF6791BD045E398E5D9EBF70F79CB.jpg[/IMG]
[IMG]local://upfiles/32129/4C9FE6D96256465290861017DD5AF2E7.jpg[/IMG]
ORIGINAL: Limey
Used stock mufflers are cheaper. I have V&H slipons at the moment and even with the "quiet" baffles in they're very loud and I will get a ticket for it here in the UK if I'm caught. I was hoping that modified stock mufflers would be less anti-social and will definitely stop me getting a ticket.
ORIGINAL: RAWHIDE07
I advise against the mod.Used slip-ons are cheap and can be resold,if you buy a set and don't like them you can return to stock.Modified stock mufflers would be hard to sell.
I advise against the mod.Used slip-ons are cheap and can be resold,if you buy a set and don't like them you can return to stock.Modified stock mufflers would be hard to sell.
I havemoddified them by the same principle as you see on aftermarket cans ie a removable baffle that sits inside the "quiet" baffle.
Dead easy to make and takes that top edge off the sound (the raspy bit) i,m real pleased with the mod.
The performance feels at least the same,the tone maybe slightly deeper,i,ll let you know the dyno figures soon.
I,ve seen this used on other pipesin fact the pipe i used came from a BMW R1150R Remus muffler.
The pipe is 1 1/4" outside diameter, 2 1/2" long, with a bracket welded to the end with a 1/4" unc hole tapped in ittofasten inside the V&Hquiet baffle. The maximum length you could go to is 5" which could drop the sound more i,m not sure.
I drilled a clearance hole in the V&H baffle opposite to the existing hole with the backing nut as this makes any removal easier in the future.
I used the original V&H stainless fixing screws.
[IMG]local://upfiles/32129/569FF6791BD045E398E5D9EBF70F79CB.jpg[/IMG]
[IMG]local://upfiles/32129/4C9FE6D96256465290861017DD5AF2E7.jpg[/IMG]
Right now I have some Big city thunder quiet baffels on order. Will post how they are.
#18
05-02-2008, 01:26 PM
RE: Muffler autopsy
This wouldn't make them pass the UK test. To pass that you need a valid British Standard number stamped on the mufflers, i.e. stock mufflers, so I'll probably have to put them back on for the test. Quieter baffles will make me less likely to get pulled over by the police and given a ticket though. I've a feeling that the tests and regs are even tougher in Germany, some towns even ban bikes at night, strange in a country that has no speed limit at all on the autobahn.
#19
05-02-2008, 02:03 PM
Club Member
RE: Muffler autopsy
ORIGINAL: Limey
This wouldn't make them pass the UK test. To pass that you need a valid British Standard number stamped on the mufflers, i.e. stock mufflers, so I'll probably have to put them back on for the test. Quieter baffles will make me less likely to get pulled over by the police and given a ticket though. I've a feeling that the tests and regs are even tougher in Germany, some towns even ban bikes at night, strange in a country that has no speed limit at all on the autobahn.
This wouldn't make them pass the UK test. To pass that you need a valid British Standard number stamped on the mufflers, i.e. stock mufflers, so I'll probably have to put them back on for the test. Quieter baffles will make me less likely to get pulled over by the police and given a ticket though. I've a feeling that the tests and regs are even tougher in Germany, some towns even ban bikes at night, strange in a country that has no speed limit at all on the autobahn.
#20
05-02-2008, 02:36 PM
Road Master
RE: Muffler autopsy
ORIGINAL: Limey
Hi Cornishman, thanks for that, it looks pretty simple and very neat. In fact given how small they are I'm amazed they actually affect the sound at all. I don't suppose you'd fancy creating another pair would you? As somebody who's never welded in my life I'd happily pay for them.
ORIGINAL: cornishman
Hi Limey, i,m in the UK as well.I have Shortshots with"quiet" baffles and found them a little too loud for the same reasons as you.
I havemoddified them by the same principle as you see on aftermarket cans ie a removable baffle that sits inside the "quiet" baffle.
Dead easy to make and takes that top edge off the sound (the raspy bit) i,m real pleased with the mod.
The performance feels at least the same,the tone maybe slightly deeper,i,ll let you know the dyno figures soon.
I,ve seen this used on other pipesin fact the pipe i used came from a BMW R1150R Remus muffler.
The pipe is 1 1/4" outside diameter, 2 1/2" long, with a bracket welded to the end with a 1/4" unc hole tapped in ittofasten inside the V&Hquiet baffle. The maximum length you could go to is 5" which could drop the sound more i,m not sure.
I drilled a clearance hole in the V&H baffle opposite to the existing hole with the backing nut as this makes any removal easier in the future.
I used the original V&H stainless fixing screws.
[IMG]local://upfiles/32129/569FF6791BD045E398E5D9EBF70F79CB.jpg[/IMG]
[IMG]local://upfiles/32129/4C9FE6D96256465290861017DD5AF2E7.jpg[/IMG]
ORIGINAL: Limey
Used stock mufflers are cheaper. I have V&H slipons at the moment and even with the "quiet" baffles in they're very loud and I will get a ticket for it here in the UK if I'm caught. I was hoping that modified stock mufflers would be less anti-social and will definitely stop me getting a ticket.
ORIGINAL: RAWHIDE07
I advise against the mod.Used slip-ons are cheap and can be resold,if you buy a set and don't like them you can return to stock.Modified stock mufflers would be hard to sell.
I advise against the mod.Used slip-ons are cheap and can be resold,if you buy a set and don't like them you can return to stock.Modified stock mufflers would be hard to sell.
I havemoddified them by the same principle as you see on aftermarket cans ie a removable baffle that sits inside the "quiet" baffle.
Dead easy to make and takes that top edge off the sound (the raspy bit) i,m real pleased with the mod.
The performance feels at least the same,the tone maybe slightly deeper,i,ll let you know the dyno figures soon.
I,ve seen this used on other pipesin fact the pipe i used came from a BMW R1150R Remus muffler.
The pipe is 1 1/4" outside diameter, 2 1/2" long, with a bracket welded to the end with a 1/4" unc hole tapped in ittofasten inside the V&Hquiet baffle. The maximum length you could go to is 5" which could drop the sound more i,m not sure.
I drilled a clearance hole in the V&H baffle opposite to the existing hole with the backing nut as this makes any removal easier in the future.
I used the original V&H stainless fixing screws.
[IMG]local://upfiles/32129/569FF6791BD045E398E5D9EBF70F79CB.jpg[/IMG]
[IMG]local://upfiles/32129/4C9FE6D96256465290861017DD5AF2E7.jpg[/IMG]