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Message started by TheNaughtyLemur on 04/21/17 at 12:46:02

Title: Exhausts
Post by TheNaughtyLemur on 04/21/17 at 12:46:02

So I'm looking to get rid of the lawn mower/sowing machine sounds of my bike for something a little more substantial.

I strolled down to the Harley dealership to inquire about a slip on screamin' eagle (and possibly fish a tarnished one out of the dumpster or for a couple bucks). He had some questions that I couldn't quite answer.

First one was what year Dyna do I need the exhaust for?

Also after looking back and seeing some other videos of the screamin' eagle I don't think that is what I want to go with. Everybody says the Dyna is a nice exhaust, but a lot of people way its quiet. I like to ride with a buddy that has a HD 883 Iron, so I'd like an exhaust that doesn't get drowned out by him. Not something loud, but not so quiet that you think only one bike is coming up the road. Will the stock Dyna still do what I want?

Title: Re: Exhausts
Post by justin_o_guy2 on 04/21/17 at 13:01:08

Supertrapp

Title: Re: Exhausts
Post by verslagen1 on 04/21/17 at 13:34:07

In the tech section index look up 'harley muff guide'

Title: Re: Exhausts
Post by IslandRoad on 04/21/17 at 13:49:49

I don't think the stock Dyna will do what you want. It's the one the HD riders take off and throw away because it's too quiet for them. I like it, because it's much better (sound and looks) than the stock Savage muffler, but it's not loud enough to attract unwanted attention. I would call it a quiet muffler.

For example, my girlfriend has a slip on Yoshimura exhaust on her Ninja250R and when we ride together her exhaust is a fair bit louder than mine.

Title: Re: Exhausts
Post by TheNaughtyLemur on 04/21/17 at 13:55:50

Maybe for now I'll buy a cheap Dyna. After that Ill do a little more research and wait for a cheaper Supertrapp.

Title: Re: Exhausts
Post by verslagen1 on 04/21/17 at 14:40:57

516B7479767C4A77797C180 wrote:

Yes but modifying it to make it louder is easy.
There's a solid baffle about half way down.
Drill a hole thru it, I'd start with a 1/4" hole and increase it to suit.
I'd make a guide so it'll be somewhat centered, making easy to enlarge.
This baffle sometimes comes out, but can be replaced with a freeze plug.
It'll make it leaner, so you'll have to compensate.

Title: Re: Exhausts
Post by JLC on 04/21/17 at 15:05:05

I had a Delkevic exhaust on my S40 for a few weeks. Nice exhaust, but VERY loud. I bought their shorty exhaust. They sell a longer exhaust that is somewhat no so loud.

Title: Re: Exhausts
Post by twhitus on 04/21/17 at 15:27:21

i have the longer Delkevic exhaust, its not as loud but its very deep. i can feel it in my chest at a idle. at 55mph its no louder then the wind noise on my helmet. https://www.youtube.com/watch?v=xc0pw__WKKI

Title: Re: Exhausts
Post by SALB on 04/21/17 at 15:44:30

I'm still waiting for a review of the new MAC system. ::) ::) ::)

Title: Re: Exhausts
Post by Ruttly on 04/21/17 at 20:37:14

Yeah , I think we all do ;D

Title: Re: Exhausts
Post by Ruttly on 04/21/17 at 21:42:20

Mine I got on fleabay,2"header 1 7/8 I.D. With muffler ,no name or numbers on it ,new old stock spotless clean on the inside , muffler too long for tracker but would have looked very cool on a stocker ,cut muffler and made a repackable core baffle,painted it flat black.

Title: Re: Exhausts
Post by Ruttly on 04/22/17 at 10:07:45

The super trapp is good cause its tunable for noise level. Find level your ok with then rejet and your done.

Title: Re: Exhausts
Post by LockeClone on 04/24/17 at 16:06:28

I'm kinda anti-loud pipes, so that's my perspective...

But I'm very happy with how my dyna shorty sounds, especially at high speeds. I can actually hear myself when driving with my buddy (he has an FZ1 with a pretty loud exhaust). And the grunt while idling is pleasing.

Again, it might not get you there if you're one of those people who's lost all his hearing yet insists that his version of "loud" isn't actually "the reason why they made that episode of south park".

So... please remember to be a good neighbor...

Title: Re: Exhausts
Post by Ed L. on 04/24/17 at 18:39:32

I'm using a Harley sportster muffler with a 1/2 inch hole drilled in the baffle. It works great and gives a nice growl at full throttle. I tried a Dyna with a blown baffle but took it off after about a 10 mile ride, the bike didn't like it and it was way too loud.
A little back pressure helps with the tuning and gives a better power band.

Title: Re: Exhausts
Post by TheNaughtyLemur on 04/25/17 at 10:49:45

Don't get me wrong, I don't want an ear rupturing exhaust. Just something to keep pace with my friend's stock 883 Iron exhaust.

When he upgrades his exhaust to something ear splitting I will not be keeping up.

However I do want something more substantial. It seems to be that the stock Dyna (whats the difference between a stock Dyna and a shorty Dyna? And why would you want one over the other?) or the Supertrapp will get me what I want in tone, and I can then just adjust the baffle for the decibel level I'm looking for.

Title: Re: Exhausts
Post by batman on 04/25/17 at 12:01:06

Lemur,chances are if he changes to something really loud you won't be keeping up you'll be passing him .If loud pipes helped make your bike run faster we would all be running straight pipes! loud pipes don't usually better performance,and can be very hard to tune your carb to.Get a Dyna,tune your carb,and you'll be shocked at the difference in the way your bike runs!

Title: Re: Exhausts
Post by TheNaughtyLemur on 04/25/17 at 12:26:31

I meant keeping up with him in decibel level. I was just trying to state I want something more substantial without going crazy.

Title: Re: Exhausts
Post by Dagillespi on 04/25/17 at 16:53:18

This is a shorty york exhaust from ebay. It was like 50 bucks and everyone that's heard it likes it. It is baffled the wife even said it's a lot better than when it was straight piped.

Title: Re: Exhausts
Post by batman on 04/25/17 at 19:46:27

If your making noise a competition maybe you are a bit crazy.

Title: Re: Exhausts
Post by justin_o_guy2 on 04/26/17 at 12:30:46

023E33183723313E222F1A333B2324560 wrote:

I meant keeping up with him in decibel level. I was just trying to state I want something more substantial without going crazy.

That your goal is to Keep up with the Jones's in Db production makes " without going crazy "
technically impossible.
The exhaust is , by necessity, restrictive. It determines Where in the RPM range your power will be.

Title: Re: Exhausts
Post by TheNaughtyLemur on 04/26/17 at 12:39:15

This is all getting taken out of context.

I clearly meant to say that I don't want to keep up with the joneses. I'm not looking for something very loud, just something comparable to a stock 883 Iron exhaust. Once my buddy upgrades his exhaust on the 883 I won't be upgrading mine again. I simply want something more substantial without going crazy.

The consensus here has been to go with a Dyna and trial-and-error test it for how loud I want to go with drilling out the baffle. Or to go with the Supertrapp and do the same thing.

Title: Re: Exhausts
Post by Dave on 04/26/17 at 12:52:14

I had a Supertrapp with 8 discs.....it was not obnoxiously loud - but it still was too loud for me and I replaced it with a DYNA. Much more civilized and it did not make children cry when I passed by.

Title: Re: Exhausts
Post by justin_o_guy2 on 04/26/17 at 15:48:06

I had fourteen disks. Noise varies with gas. I could roll by a hospital or horses and riders and not shake anyone up. Trapps are tunable, matching the carb jets and getting a great zero to sixty and a not too shabby top end is possible. They are Expensive.

Title: Re: Exhausts
Post by Blade on 04/27/17 at 07:23:56

Previous Owner put an Enfield bottle exhaust on. It has a very respectable note gets a lot of compliments.

Title: Re: Exhausts
Post by LANCER on 04/27/17 at 08:16:49

Check out Cone Engineering (coneeng.com). They offer all stainless mufflers and you can pick the size, shape & sound level you want.
Priced from about $120-140.
They make quality stuff.

Title: Re: Exhausts
Post by justin_o_guy2 on 04/27/17 at 08:41:32

That's some SERIOUSly good information..
IF someone knows the way to design an effective exhaust.

Title: Re: Exhausts
Post by batman on 04/27/17 at 15:48:07

Ryca bobber exhaust is one of worst I've ever seen .The header to short and the muffler is junk.

Title: Re: Exhausts
Post by DavidOfMA on 04/28/17 at 05:55:12

I have never understood the desire to make bikes sound LOUDER. A loud bike is unlikely to make a driver pay more attention and it's very likely to annoy everybody in the vicinity. If you want to drive more safely, pay more attention to what the drivers around you are doing and compensate accordingly. If you really want to get their attention, beep your horn.

Title: Re: Exhausts
Post by batman on 04/28/17 at 06:34:25

Good point Dave! and if you think the horn isn't loud enough ,it's a lot cheaper to upgrade than the exhaust.

Title: Re: Exhausts
Post by philthymike on 04/28/17 at 07:13:10

Loud exhausts are for narcissistic riders who only ride because they want to get people's attention. Ever notice how the people with the loudest exhausts are constantly revving their engines?
Look at me, look at me...
;)

Title: Re: Exhausts
Post by justin_o_guy2 on 04/28/17 at 07:24:12

Stock is strangling the already limited power of the engine. It NEEDS a less restrictive exhaust and jets, if it's a later model. The exhaust will be louder than stock as we tune for a balance between bottom end grunt, top end speed, and a sound that is not unpleasant. Some people seem to be willing to compromise performance in pursuit of Loud,, I fart at them.

Title: Re: Exhausts
Post by verslagen1 on 04/28/17 at 07:45:08

524A4B4E564A5B4F4B4947220 wrote:

I've seen several of these guys splitting lanes with the rest of us.
They have to go super slow and stop at every other car cause if they aren't giving him extra room, he ain't getting by. And they let it roar when they don't. It's funny when they do it in ear shot of a motor chippy. He'll pull up next to him, force him into line with the cars and rail on him. He'll stay there for awhile while the line of bike will follow the chippy on.

Title: Re: Exhausts
Post by philthymike on 04/28/17 at 12:11:53

I guess that's one way of doing it.

Personally I like the backfires and machine gun pops from my leaky exhaust. Just let it bog down at the bottom of a gear and let go of the gas. great for pesky peds crossing against the light ;D
The little kids in the neighborhood love it too.
Makes up for the pathetic meep meep of the horn.

Title: Re: Exhausts
Post by Dave on 04/28/17 at 12:30:50

322A2B2E362A3B2F2B2927420 wrote:

I guess that's one way of doing it.

Personally I like the backfires and machine gun pops from my leaky exhaust.

Title: Re: Exhausts
Post by justin_o_guy2 on 04/28/17 at 14:48:16

I do that next to peo, err,idiots who have the music set loud enough for everybody.

Title: Re: Exhausts
Post by Jarhead-CO on 04/28/17 at 16:32:03

I drilled 4 3/8 inch holes in the back plate of the stock exhaust and it adds a tiny bit of noise and gives it a slight rumble I could do with a little more noise but I don't want to butcher the back of the exhaust.

Title: Re: Exhausts
Post by philthymike on 04/29/17 at 06:03:37

615A5740515D46405B535E41320 wrote:

[quote author=322A2B2E362A3B2F2B2927420 link=1492803962/30#32 date=1493406713]I guess that's one way of doing it.

Personally I like the backfires and machine gun pops from my leaky exhaust.

If that's your style.....just turn off the kill switch on the right handlebar for a second or two while you are decelerating with the throttle closed .....then turn it back on!
(I am not responsible if you purge the contents of your muffler).[/quote]
I''ll keep my muffler guts where they are thanks. I don't want the bike louder but I do like my "ghetto horn"

Title: Re: Exhausts
Post by eau de sauvage on 04/29/17 at 20:17:28

The late model Dyna I recently installed has it's own built in heat shield and I'd recommend hunting down one of those because it is so subtle that you have to look hard to notice it. You can see that the muffler clamp is sliding underneath the heat shield and on the other end you can see the edge of it if you look carefully.

In my opinion not only does the dyna look very sweet, especially from the rear as it narrows to a very small profile and almost disappears, but the sound is excellent and thumpy and I would say any louder and it would cross the line into anti social annoyance, which I'm very sensitive too due to having obnoxiously loud Harley's drive through my street constantly, it's so loud that I can feel my sternum vibrating.

http://https://s16.postimg.org/yl0qk2qkh/dyna.jpg (https://postimg.org/image/yl0qk2qkh/)

reverse view of heat shield in this thread... http://suzukisavage.com/cgi-bin/YaBB.pl?num=1481691452

Title: Re: Exhausts
Post by Kenny G on 04/29/17 at 20:36:28

Sauvage,

Please post the Harley numbers on the back side of the muffler so if anyone on the forum wants to purchase one they can easily find it.

Kenny G

Title: Re: Exhausts
Post by IslandRoad on 04/29/17 at 23:08:20

0C2229043526342F470 wrote:

Sauvage,

Please post the Harley numbers on the back side of the muffler so if anyone on the forum wants to purchase one they can easily find it.

Kenny G

I'm pretty sure I have the same muffler and heat shield as eu de sauvage. I had my spare handy so, I took a photo of the stamp for ya :)

HARLEY-DAVIDSON MOTOR COMPANY
64900107
A11-003
AUSTRALIA
e4

Title: Re: Exhausts
Post by eau de sauvage on 04/29/17 at 23:24:10

Yeah that looks right, my one is labeled 64900108 but that's probably because the two mufflers are slightly different inside due to the different requirements of the back and front cylinder. The pair I bought had different sized holes where the exhaust exits. I went for the one with the larger hole.

They are also meant to be used with an emission control system.

http://https://s28.postimg.org/a0lli9as9/dyna.jpg (https://postimg.org/image/a0lli9as9/)

PS, the muffler shop who installed it and made the joining piece had the clamp initially over the heatshield and it leaked a bit so they had to refit it under. What do they say, 'never enough time to do it right but always enough time to do it over.'

Title: Re: Exhausts
Post by IslandRoad on 04/30/17 at 00:14:21

I just had a look under the bike (I installed the one with the larger opening also).

64900108
A11-002

Same as yours

Title: Re: Exhausts
Post by marekbuk on 07/24/17 at 04:57:31

Just a quick question - does your Dyna have a catalitic element inside?