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CX Customization and Modifications
Started by elwood440 at 10-27-2008 2:52 PM. Topic has 55 replies.
  
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 10-27-2008, 2:52 PM
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elwood440
 
Joined on 06-20-2007
Cullman, Alabama
Posts 95
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Better than sportster mufflers!!
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I found a ZERO modification slip-on replacement muffler set! I nabbed a scratched pair of '07 FXDL (Dyna Lowrider) cans from the eee-bay. I had no idea if they'd work or not, but I got them for one measly dollar plus $20 shipping, so I couldn't really go wrong.
Well as it turns out, I couldn't have done any better either! First, they have NO crossover holes to try and plug. Next, they're the same length, so they won't look odd when fitted. The pipe diameter is a PERFECT fit, and the mounting slots on the cans will reach the stock hangers on the bike.
The mounting bracket on the muffler is a long slot, with a larger circle in the center. This allows you to use a standard carriage bolt to hang them. Pop the head thru the hole, and slide the square under the head to the end of the slot. To reach the stock hanger, I had to loosen the footpeg bolt and swivel the hanger about 5 degrees. This actually had the bonus of moving the folded peg out of the way of the luggage release button. Now I don't have to unfold the peg to get the bags off. Tighten 4 bolts and two clamps, and we're in business.
And now for the sound: I am in love with my bike all over again! It deepened the sound a LOT, and it's actually quite a bit quieter.. For ME that's a good thing, because I use my bike primarily for commuting. I wear earplugs, but the stock worn-out cans were still "exhausting" to listen to for an hour to work, and an hour home. I would NOT say it sounds like a harley now, but it for sure doesn't sound like a honda anymore.. Maybe closer to a Ducati, except not all hopped up on espresso.
'83 GL650 Interstate
'07 Dyna cans, GL1800 seat, HID conversion, Air horn, LED taillights, Carbs rebuilt and tweaked. Triple Bypass done, BT45s
I do 100% of my spannering myself.
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10-27-2008, 3:03 PM
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Blindstitch2002
Joined on 05-16-2007
Greenfield Wisconsin
Posts 5,000
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Re: Better than sportster mufflers!!
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Sounds like your happy. Most harley mufflers are a direct replacement just depends on how much playing around you want to do.
Hey can you throw on some pictures of them?
1978 Honda Cx500 Maggot
1979 Honda Cx500 Custom
1980 Cx500 Deluxe
Buy HTTA Items
Quick Reference Info
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10-27-2008, 3:48 PM
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I'm going to GL
Joined on 07-16-2008
Chicagoland, IL
Posts 479
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Re: Better than sportster mufflers!!
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+1 Pics please
1982 GL500 "When the going gets weird, the weird turn pro" - Hunter S. Thompson
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10-27-2008, 8:40 PM
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Timothy_D
Joined on 04-22-2006
Santa Rosa, CA
Posts 1,585
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Re: Better than sportster mufflers!!
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Pics + a report on your gas mileage, please.
CX500 Turbo, GL650I, Two CX650E's, and one Crown Jewel of the CX line- CX650T.
Why do I own five CX/GL bikes? Ask an alcoholic why he drinks.
Donating Member.
Sold: 1981 CX500D, 2- 1982 CX500T's, 1983 CX650C.
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10-28-2008, 6:04 AM
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UnknownRoad
Joined on 09-07-2008
South Carolina
Posts 159
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Re: Better than sportster mufflers!!
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Good to hear! I dig my 'Glide mufflers, but they weren't the easiest fit.
Of course, stuff that works on a GL650 isn't necessarily going to work on CX500s... 
Various parts of: '78 and '79 CX-As, '80 CX-C, '81 CX-D, '82 GL.
Goal: 2 usable bikes
Current status: 0 usable bikes! AGAIN! ARRRRRRGH! I HATE CARBS! HATE HATE HATE! HATE HATE!
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10-28-2008, 3:05 PM
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elwood440
Joined on 06-20-2007
Cullman, Alabama
Posts 95
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Re: Better than sportster mufflers!!
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I can't figure out how to post pics.. grr..
how bout this?
[L=http://photos-b.ak.facebook.com/photos-ak-sf2p/v360/171/122/1535391883/n1535391883_55665_65.jpg]rear view[/L]
'83 GL650 Interstate
'07 Dyna cans, GL1800 seat, HID conversion, Air horn, LED taillights, Carbs rebuilt and tweaked. Triple Bypass done, BT45s
I do 100% of my spannering myself.
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10-28-2008, 4:20 PM
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Blindstitch2002
Joined on 05-16-2007
Greenfield Wisconsin
Posts 5,000
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Re: Better than sportster mufflers!!
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10-29-2008, 2:44 PM
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elwood440
Joined on 06-20-2007
Cullman, Alabama
Posts 95
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Re: Better than sportster mufflers!!
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sweet, thanks, here's the rest..
whole bike:
http://photos-f.ak.facebook.com/photos-ak-sf2p/v360/171/122/1535391883/n1535391883_55661_6712.jpg
closer
http://photos-g.ak.facebook.com/photos-ak-sf2p/v360/171/122/1535391883/n1535391883_55662_277.jpg
mounting from outside (hard to see at first)
http://photos-h.ak.facebook.com/photos-ak-sf2p/v360/171/122/1535391883/n1535391883_55663_3577.jpg
Bag removed and better view of mounting
http://photos-a.ak.facebook.com/photos-ak-sf2p/v360/171/122/1535391883/n1535391883_55664_6836.jpg
and you've already seen the rear view.
Not sure why I can't post a pic, or even a link (I tried) but thanks again blindstitch for making them work.
Maybe because I'm using a mac.. I'm still lost on these things. (macs)
'83 GL650 Interstate
'07 Dyna cans, GL1800 seat, HID conversion, Air horn, LED taillights, Carbs rebuilt and tweaked. Triple Bypass done, BT45s
I do 100% of my spannering myself.
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10-29-2008, 3:37 PM
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NateDawg
Joined on 10-15-2008
Oshkosh WI
Posts 491
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Re: Better than sportster mufflers!!
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10-29-2008, 3:58 PM
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I'm going to GL
Joined on 07-16-2008
Chicagoland, IL
Posts 479
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Re: Better than sportster mufflers!!
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For help with posting with images, click to see a how-to thread HERE
In the prior post, the link for the third image is in-op so here's the others:
1982 GL500 "When the going gets weird, the weird turn pro" - Hunter S. Thompson
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10-29-2008, 4:01 PM
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I'm going to GL
Joined on 07-16-2008
Chicagoland, IL
Posts 479
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Re: Better than sportster mufflers!!
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Sorry for the double post -
Here's the last one:
1982 GL500 "When the going gets weird, the weird turn pro" - Hunter S. Thompson
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10-29-2008, 5:05 PM
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Blindstitch2002
Joined on 05-16-2007
Greenfield Wisconsin
Posts 5,000
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Re: Better than sportster mufflers!!
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Those look pretty sweet. What's up with the quick release near the foot pegs. Never inspected a gl since I own a cx. Does that release the hard bags?
1978 Honda Cx500 Maggot
1979 Honda Cx500 Custom
1980 Cx500 Deluxe
Buy HTTA Items
Quick Reference Info
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10-29-2008, 8:20 PM
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Timothy_D
Joined on 04-22-2006
Santa Rosa, CA
Posts 1,585
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Re: Better than sportster mufflers!!
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Great pics, but I'm more interested in how they affect the fuel economy.
My CX500D had a massive drop in economy when I changed to sportster mufflers, I'm wondering if the Gl650 will be a little more forgiving, or if the smaller carbs won't like it.
CX500 Turbo, GL650I, Two CX650E's, and one Crown Jewel of the CX line- CX650T.
Why do I own five CX/GL bikes? Ask an alcoholic why he drinks.
Donating Member.
Sold: 1981 CX500D, 2- 1982 CX500T's, 1983 CX650C.
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10-30-2008, 6:52 AM
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Mack45
Joined on 09-18-2008
Northeast Oklahoma
Posts 96
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Re: Better than sportster mufflers!!
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Man that IS sweet! Does the GL650 have an "H" box like a CX500? Are the pipes the same OD? I'd love to do that to my CX.
81 CX 500 Deluxe
88 GL1500
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11-01-2008, 3:08 PM
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WayneDW
Joined on 07-28-2006
Minneapolis
Posts 1,655
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Re: Better than sportster mufflers!!
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nice looking bike, I've always liked those red gl650s.
Blindstitch, yes the quick release that looks like an old seat belt buckle is for the saddlebags.
Wayne
1983 GL650 Silverwing Interstate
WWW.fossilapostles.com
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11-01-2008, 3:25 PM
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MidTNJasonF
Joined on 07-22-2007
Smyrna, TN
Posts 177
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Re: Better than sportster mufflers!!
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Yeah my Harley pipes were a straight bolt on job with no cuts, welds, or modifications but they are about to come back off. I love the sound but I dropped from a little over 50mpg to barely over 40mpg. With the sub 3 gallon tank on the Custom that means just under 100 miles of range and that is sort of a pain in the backside for me.
1996 Suzuki Bandit GSF600
1972 Honda CB450
1973 Honda GP350 WERA Vintage ride
1982 Honda CX500 Custom (sold 5/1/10)
A couple cars
A couple trucks
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11-04-2008, 11:45 AM
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wings
Joined on 10-21-2008
Frisco, TX
Posts 11
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Re: Better than sportster mufflers!!
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Hello, I bought a '79 CX500 Custom yesterday and it looks clean but it hesitates and pops and backfires a bit at the higher speeds (like 45mph+). Its carbs have recently been rebuilt so I believe it just needs a valve clearance adjustment and work on the ignition timing. But I also want to get new mufflers...
Your post about the Dyna Lowriders has intrigued me - the bike is a bit loud for my taste right now and I'd like to deepen/soften the sound. Does anyone know if they would fit in a CX500 exhaust? I know I can get stuff like that for cheap on e-bay but I would like to make sure it will work first, just in case any of you have done the same thing with your bikes.
Thanks so much!
M
"Is there anything you DON'T do?" (...fly)
'79 CX500!
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11-04-2008, 4:03 PM
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Blindstitch2002
Joined on 05-16-2007
Greenfield Wisconsin
Posts 5,000
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Re: Better than sportster mufflers!!
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11-04-2008, 4:47 PM
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Timothy_D
Joined on 04-22-2006
Santa Rosa, CA
Posts 1,585
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Re: Better than sportster mufflers!!
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 MidTNJasonF wrote: | Yeah my Harley pipes were a straight bolt on job with no cuts, welds, or modifications but they are about to come back off. I love the sound but I dropped from a little over 50mpg to barely over 40mpg. With the sub 3 gallon tank on the Custom that means just under 100 miles of range and that is sort of a pain in the backside for me.
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Just out of curiosity, did you try rejetting?
CX500 Turbo, GL650I, Two CX650E's, and one Crown Jewel of the CX line- CX650T.
Why do I own five CX/GL bikes? Ask an alcoholic why he drinks.
Donating Member.
Sold: 1981 CX500D, 2- 1982 CX500T's, 1983 CX650C.
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11-05-2008, 3:11 PM
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elwood440
Joined on 06-20-2007
Cullman, Alabama
Posts 95
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Re: Better than sportster mufflers!!
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Mileage update:
After two tanks, they haven't seemed to affect the mileage at all. It's still hovering around the 50mpg mark. And it's not like I babied it at all, in fact, I found one of my old favorite twisties and had some fun with it the other day. Will Dyna cans do the same for your mileage? can't say. YMMV, literally.
AFAIK, 500 and 650 exhaust is the same size.. Yes there's an H-box, and I have toyed with the idea of getting a custom pipe made to replace it, but have no immediate plans to.
I still love the new sound. Deep and rich, way more pleasant for commuting, although there are times where I miss a good loud BRRAAAP once in a while.
As far as performance, It's hard to say, but just on seat-of-the pants feel, I'd say the mod brought the torque curve lower in the RPM range. The other day during some "spirited" acceleration, between 1st and 2nd I got the slight flutter of the front wheel leaving the earth, if only for a split second. The only time that had ever happened before was when I missed a shift and popped it back into gear at 6k or so.
'83 GL650 Interstate
'07 Dyna cans, GL1800 seat, HID conversion, Air horn, LED taillights, Carbs rebuilt and tweaked. Triple Bypass done, BT45s
I do 100% of my spannering myself.
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11-06-2008, 9:42 PM
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Timothy_D
Joined on 04-22-2006
Santa Rosa, CA
Posts 1,585
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Re: Better than sportster mufflers!!
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Lovely! thanks!
CX500 Turbo, GL650I, Two CX650E's, and one Crown Jewel of the CX line- CX650T.
Why do I own five CX/GL bikes? Ask an alcoholic why he drinks.
Donating Member.
Sold: 1981 CX500D, 2- 1982 CX500T's, 1983 CX650C.
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04-22-2009, 3:19 PM
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krellheat
Joined on 03-14-2009
Central Connecticut
Posts 141
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Re: Better than sportster mufflers!!
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04-22-2009, 6:45 PM
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ujm
Joined on 01-05-2008
St. Joseph Missouri
Posts 204
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Re: Better than sportster mufflers!!
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Those really do look sweet!
Steve
honda919rider@yahoo.com
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04-25-2009, 5:05 PM
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Shep
Joined on 01-30-2007
UK.2x1980CX500A
Posts 7,647
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Re: Better than sportster mufflers!!
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My CX with Harley 883 sportsters on drop my mileage from around 60 UK to anything as low as 45 UK.This equates to around 50 US to 37 US I think.
I put this down to the fact that my present Harelys only have a small half baffle in them and thus are much louder thus affecting the exhaust back slug the engine expects as there's easier exhaust out-flow.
As I'm totally lost when it comes to re-jetting I don't know how much or how it would affect getting the fuel economy back up or where to start or if it's even possible :/
I'd love to see some one with the Harley 883s on take it down and get a Dyno on it to see if there's any power increase as there sure feels like it bearing in mind that the stock 500s are lucky to get around 45 BHP and not the 50 BHP they may have had when new.
My Music
http://www.reverbnation.com/pauldouglas/
Join Just In Case :)
http://globalcxglvtwins.hostingdelivered.com/
Id quot circumiret, circumveniat
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05-18-2009, 5:11 AM
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gwynethh
Joined on 04-05-2009
Kittery, ME
Posts 138
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![Big Smile [:D]](http://choppercharles.com/cs/emoticons/emotion-2.gif)
Re: Better than sportster mufflers!!
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| elwood440 wrote: | | I found a ZERO modification slip-on replacement muffler set! I nabbed a scratched pair of '07 FXDL (Dyna Lowrider) cans from the eee-bay. I had no idea if they'd work or not, but I got them for one measly dollar plus $20 shipping, so I couldn't really go wrong.
Well as it turns out, I couldn't have done any better either! First, they have NO crossover holes to try and plug. Next, they're the same length, so they won't look odd when fitted. The pipe diameter is a PERFECT fit, and the mounting slots on the cans will reach the stock hangers on the bike.
The mounting bracket on the muffler is a long slot, with a larger circle in the center. This allows you to use a standard carriage bolt to hang them. Pop the head thru the hole, and slide the square under the head to the end of the slot. To reach the stock hanger, I had to loosen the footpeg bolt and swivel the hanger about 5 degrees. This actually had the bonus of moving the folded peg out of the way of the luggage release button. Now I don't have to unfold the peg to get the bags off. Tighten 4 bolts and two clamps, and we're in business.
And now for the sound: I am in love with my bike all over again! It deepened the sound a LOT, and it's actually quite a bit quieter.. For ME that's a good thing, because I use my bike primarily for commuting. I wear earplugs, but the stock worn-out cans were still "exhausting" to listen to for an hour to work, and an hour home. I would NOT say it sounds like a harley now, but it for sure doesn't sound like a honda anymore.. Maybe closer to a Ducati, except not all hopped up on espresso. |
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Absolutely fantastic. How did you seal the joint between the H box and the Dyna muffler? tia
Gwyn
Party On Dudes and Dudettes
1989 PC800 "Silver Lady"
1982 GL500I "Jenny"
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05-18-2009, 7:07 AM
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midgtmn
Joined on 02-19-2009
Rochester, NY - USA
Posts 285
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Re: Better than sportster mufflers!!
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I asked the same question a bit ago: http://choppercharles.com/cs/forums/101636/ShowPost.aspx
I tried the beer can aluminum/RTV (well.. mountain dew can in my case) but I didn't seal everything up well enough. Unfortunately, the mufflers I got have a slot in the flange that matches up exactly with a slot in the H-box, so it is real hard to seal up. I'm going to give it another go this week. I also picked up some of the exhaust leak repair tape that was mentioned, so I may use that.
I was considering a third method as well: Wrap the harley mufflers with can aluminum (to provide a solid cover over the slots that are causing me so much trouble), and then do the wrap completely around the aluminum and the muffler end, and fold over the edge as described. If I end up doing that I will post letting people know how it worked.
'78 CX500 - Back from the brink!
'81 CX500C- Finally Running thanks to Ignitech!
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05-18-2009, 7:10 AM
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gwynethh
Joined on 04-05-2009
Kittery, ME
Posts 138
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Re: Better than sportster mufflers!!
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Thanx. I hope the forum search function come back soon.
Party On Dudes and Dudettes
1989 PC800 "Silver Lady"
1982 GL500I "Jenny"
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05-18-2009, 7:17 AM
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kingston73
Joined on 04-19-2008
Bellingham, MA
Posts 1,722
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Re: Better than sportster mufflers!!
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I wouldn't hold my breath for the search, it's been down for a LONG time. As for sealing, the RTV works great but is a pain if you plan on taking your silencers off again anytime soon. If you're relatively certain you'll be keeping them on, use it, but otherwise I'd try the tape first, the beer/soda can second. As for jetting, I ordered new ones and will be installing 90/120's as soon as they get delivered, so if any of you are wondering what difference that makes with Harley's I'll keep you posted:
http://choppercharles.com/cs/forums/96793/ShowPost.aspx
1979 cx500D - mostly stock
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05-18-2009, 8:14 AM
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tvpierce
Joined on 04-14-2009
Maine, USA
Posts 227
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Re: Better than sportster mufflers!!
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05-19-2009, 2:01 PM
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elwood440
Joined on 06-20-2007
Cullman, Alabama
Posts 95
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Re: Better than sportster mufflers!!
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I didn't use anything to seal them up.. I lucked out and the slots didn't line up.. I just slid them together and clamped em up.
The header side of the h-box is a different story.. I finally settled on the Rob Davis aluminium foil gaskets in coombination with an exhaust sealing paste. Made by permatex, it cures hard as a rock, but will chip off quite neatly if you need to disassemble.
'83 GL650 Interstate
'07 Dyna cans, GL1800 seat, HID conversion, Air horn, LED taillights, Carbs rebuilt and tweaked. Triple Bypass done, BT45s
I do 100% of my spannering myself.
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05-19-2009, 2:53 PM
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nikoscx500+ducati
Joined on 04-02-2009
greece
Posts 81
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Re: Better than sportster mufflers!!
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hi,i have found mufflers from a triumph bullet "t100"what do you think about them thank you all very much
if you dont do the kneesliding your are too slow
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06-25-2009, 4:07 PM
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Lono
Joined on 05-02-2009
Nebraska
Posts 37
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![Yes [Y]](http://choppercharles.com/cs/emoticons/emotion-21.gif)
Re: Better than sportster mufflers!!
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I bought a set if mufflers from a friend that rides HD and the mufflers were of a 99 dyna they bolt right on and you dont have to modify anything plus the deeper tone is much more pleasant than the originals I dont know if PO drilled out the stock pipes but you could look straight thru them. I have not checked on mileage becouse i am still fighting carb problems ( had same problems before i changed the mufflers) When you crank up the rpms they sound awesome.
1982 Silverwing (Baby Girl) 13,000 Miles ( now 14,000 )
Sat 17 years Back to breathing fire!
Looking for a CX Cheap in the Nebraska area
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06-26-2009, 5:39 AM
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tvpierce
Joined on 04-14-2009
Maine, USA
Posts 227
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Re: Better than sportster mufflers!!
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Lono,
Are they quieter, or just a lower tone? I'm really looking for quieter.
Current: '79 CX500 Deluxe, '99 Kawasaki Concours (ZG1000)
Past: '74 CB550, '81 CB750 Super Sport, '84 VFR 750 Interceptor
"If the women don't find you handsome, they should at least find you handy!"
- Red Green
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06-26-2009, 10:03 PM
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Lono
Joined on 05-02-2009
Nebraska
Posts 37
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Re: Better than sportster mufflers!!
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No Mine were much quieter than the originals but really have a deeper tone. They dont sound like tin cans. Mine are more quite with my half helmet than the old one with the full face on. They are easy to install and cheap so givem a try I will try to update my profile Pic with the ammo can saddle bags and shield and mufflers soon
1982 Silverwing (Baby Girl) 13,000 Miles ( now 14,000 )
Sat 17 years Back to breathing fire!
Looking for a CX Cheap in the Nebraska area
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07-02-2009, 6:09 PM
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elwood440
Joined on 06-20-2007
Cullman, Alabama
Posts 95
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Re: Better than sportster mufflers!!
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I had the exact same situation as Lono. My megaphones were loud as all getout and I could see straight thru them. I can not see thru the FX cans, and they're much quieter and much deeper.
'83 GL650 Interstate
'07 Dyna cans, GL1800 seat, HID conversion, Air horn, LED taillights, Carbs rebuilt and tweaked. Triple Bypass done, BT45s
I do 100% of my spannering myself.
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07-03-2009, 11:38 PM
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MIOB
Joined on 11-06-2007
Europe
Posts 96
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Re: Better than sportster mufflers!!
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Exhausts that you can't see trough can be made a bit louder very easily (if someone here would want that). Just get a old, long, screwdriver, put it in the back and use a hammer to wack a hole in the reflection plate in the exhaust. We did it with our Harleymufflers on the bike you can see in my avatar.
By the way, if you can weld, or know someone who can, it's really eassy to make your own exhasut. I made one out of a thermos for coffee for my BMW caferacer.
http://bmwcafe.blogspot.org
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07-04-2009, 6:13 AM
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Sidecar Bob
Joined on 03-02-2006
Kawartha Lakes, Ontario
Posts 1,899
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Re: Better than sportster mufflers!!
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Loud is OK (aside from bothering people who will support anti-bike legislation) if you are only on it for a few minutes at a time but on longer trips it can get old pretty quickly. Before making your exhaust too much louder go for a long ride behind a buddy with loud pipes.
Unaltered Harley mufflers on a CX/GL sound great - far better than they soounded on the Harley they came from. I think it has something to do with the engine actually producing useful power.
I can't tell you hether they are louder or quieter than stock because I never had the original mufflers for the 500 and the ones that came with the 650 appear to have been altered. They certainly were louder/rattier than the ones on Rat's CX650E and Don was surprised at how loud it was when he & Gene visited last year. I can tell you that my ears don't ring after half an hour now that I have the Harley mufflers and people are more likely to encourage their children to wave at "the man with the sidecar" now.
But you should hear the GoldWing with Harley mufflers. Again, I never had the original mufflers, but 'Wings have the reputation of the stereos being louder than the engines. Mine isn't what you would exactly call loud, but you can definitely tell it's coming. Sort of like the snarl of a piped Porsche.
Mr. Honda ('83 GL1000/Dnepr) summer
The Famous Eccles ('84 GX650EI/Velorex700) winter
WHY I HAVEN"T BEEN AROUND MUCH LATELY
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07-04-2009, 9:16 PM
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ekimyar
Joined on 06-04-2009
San Diego, CA
Posts 35
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Re: Better than sportster mufflers!!
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OK, I just finished installing my Dyna mufflers today-- WOW, they sound amazing! Much better than my thirty-year-old, rusted out stock cans. Throatier somehow.
Anyway, they more or less slipped right in. I used the fiberglass/epoxy muffler repair tape discussed above, and they sealed just fine. By far the toughest part was taking off the old ones. After cutting off most of them with a reciprocating saw, I went at them with a hammer and a screwdriver. No chisel available, so I sacrificed a not so shiny flat head to the muffler gods. Took a while, but they did come out. I did punch a couple #2 flat head sized holes where the "H" box slip on flanges meet the rest of the "H" box, but the muffler tape seems to have sealed them right up.
I did have to a little bending to the stock brackets, but not too much. The right side seemed to be a little tougher, but I think that will vary depending on specific model and year.
Anyway, thanks to everyone for the idea and the tips in the forum-- would never have thought of it, nor believed it so easy.
Next, I'll have to see about mileage/rejetting. I'm hoping it won't be necessary since the new Dyna mufflers seem more restrictive than the rusted out stock ones.
1979 CX500 Standard
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07-05-2009, 5:44 PM
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chicagorandy
Joined on 05-28-2007
Chicago, IL
Posts 414
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Re: Better than sportster mufflers!!
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I just won a pair of Dyna mufflers on that flea-bay place.
Can't wait to give 'em a try and see how it compares to my stock units that the PO had rodded out.
2003 Ural Tourist - 80,245kms to date
1982 Honda GL500 Interstate 12,800 miles since 05/30/07
"Down the highway of life at smiles per hour, with special attention to ignorant and blind cagers"
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07-13-2009, 3:14 PM
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chicagorandy
Joined on 05-28-2007
Chicago, IL
Posts 414
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Re: Better than sportster mufflers!!
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Received my Dyna cans today, went to put them on and DOH! the exhaust gasket in the H-Box prevents the Dyna from slipping in place,
Before I attack the gasket "insert" with a chisel or destroy my H-Box..... I did check with an online store and new gaskets are still available should I want to put the old mufflers back on.... How welded to ther H-box should I expect these bad boys to be?
2003 Ural Tourist - 80,245kms to date
1982 Honda GL500 Interstate 12,800 miles since 05/30/07
"Down the highway of life at smiles per hour, with special attention to ignorant and blind cagers"
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07-13-2009, 4:01 PM
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kingston73
Joined on 04-19-2008
Bellingham, MA
Posts 1,722
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Re: Better than sportster mufflers!!
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Mine just kinda disintegrated, I don't know what they're made of but they are definitely softer than the Hbox, so I don't think you can do any permanent damage to it. The harley silencers, once the gasket material is cleared out, should almost seal inside the Hbox. If there is a leak, some muffler tape or even a beer/soda can cut up and made into a gasket will work.
1979 cx500D - mostly stock
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07-13-2009, 7:00 PM
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chicagorandy
Joined on 05-28-2007
Chicago, IL
Posts 414
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Re: Better than sportster mufflers!!
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THANKS A MILLION!
Yep, the gasket pipe insert is some sort of graphite impregnated fiber. Cleaned up pretty easily and the Dyna slid right in. I will need to hit the store for some exhaust tape to seal it correctly but everyone who posted that these fit was 100% correct.
One more night in the garage and then a road test will be in order.
2003 Ural Tourist - 80,245kms to date
1982 Honda GL500 Interstate 12,800 miles since 05/30/07
"Down the highway of life at smiles per hour, with special attention to ignorant and blind cagers"
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07-20-2009, 2:20 PM
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Lono
Joined on 05-02-2009
Nebraska
Posts 37
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Re: Better than sportster mufflers!!
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Tim, I have 99 dyna glide mufflers on my GL and I am averaging over 50+ miles to the gallon!! My fuel economy actually increased over the straight thru modified stock mufflers. Hope this helps.
1982 Silverwing (Baby Girl) 13,000 Miles ( now 14,000 )
Sat 17 years Back to breathing fire!
Looking for a CX Cheap in the Nebraska area
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07-21-2009, 8:20 AM
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Cutman
Joined on 06-27-2009
SE Washington State
Posts 35
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Re: Better than sportster mufflers!!
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Just won a set of 99-up Dyna mufflers on eBay. My stockers are completely rusted out. Can't wait to get them. Thanks for the heads up on the "no-mod" application. This in one good forum for this CX500 newbie.
Rob
One man's cool is another man's... Why?
Mediocre with a welder... excellent with a grinder.
'80 CX500 Bobber project
'79 CX500 parts bike
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03-31-2010, 7:23 AM
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ladyeclectic
Joined on 04-07-2009
Hanford, CA
Posts 323
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Re: Better than sportster mufflers!!
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I did a quick Ebay search for Harley Dyna mufflers today but have a question: is there any specific year I should go for? They haven't changed the linkages any in recent years have they? The mufflers all kinda looked the same (none quite as cheap as listed above that I saw) but I'm wondering how specific I should get.
Sarah from Cali
'81 Honda GL500 (Mah seksay beast)
'73 Ford Maverick
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03-31-2010, 7:49 AM
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Sidecar Bob
Joined on 03-02-2006
Kawartha Lakes, Ontario
Posts 1,899
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Re: Better than sportster mufflers!!
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If you buy on eBay you will probably pay more for shipping than they will cost at a local Harley place and you can see what you are getting. You want a pair that are the same (some HDs have a longer muffler on one and some pairs have mismatched mounting points) and don't have stubs for a crossover pipe.
Other than that, you will have to fabricate brackets (hardware store, hacksaw, drill) and maybe get some sections of pipe and some clamps from the auto parts place to make them fit so anything that looks good can be made to work.
Mr. Honda ('83 GL1000/Dnepr) summer
The Famous Eccles ('84 GX650EI/Velorex700) winter
WHY I HAVEN"T BEEN AROUND MUCH LATELY
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03-31-2010, 8:00 AM
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ladyeclectic
Joined on 04-07-2009
Hanford, CA
Posts 323
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Re: Better than sportster mufflers!!
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Sidecar Bob said:If you buy on eBay you will probably pay more for shipping than they will cost at a local Harley place and you can see what you are getting. You want a pair that are the same (some HDs have a longer muffler on one and some pairs have mismatched mounting points) and don't have stubs for a crossover pipe. Other than that, you will have to fabricate brackets (hardware store, hacksaw, drill) and maybe get some sections of pipe and some clamps from the auto parts place to make them fit so anything that looks good can be made to work.
I'd been under the impression from the above posts it was a pretty simple bolt-on job. Not that it really matters too much to do simple modifying though. I'll call the Harley shop in my area to see what they're asking, but if it's too much over $50 for both then I may just do the Fleabay thing.
Sarah from Cali
'81 Honda GL500 (Mah seksay beast)
'73 Ford Maverick
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Honda CX500 & G... » CX500 GL500 Tra... » CX Customizatio... » Better than sportster mufflers!!
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