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Message started by meatcarnival on 06/08/17 at 15:47:36

Title: Exhaust options
Post by meatcarnival on 06/08/17 at 15:47:36

This is the current exhaust I have right now:

https://goo.gl/photos/pRT8YxL5HDzyifPWA

I think it may be a Harley something or other (bought the bike with the majority of the work already done, I have since de-hardtailed it and performed the cam chain adjuster mod). Point being is that there is nothing in the muffler, it is straight through and has some holes throughout the inner walls of it. I am assuming this means I am running what would essentially be a straight-pipe, which is no bueno for my power or my valves (although correct me if I am wrong!)

I am wondering if I added a smaller slip on for the end of the header pipe but with some sort of baffle/restrictor in it, would it be quieter/let the engine breathe more appropriately?

Looking at something like this: http://www.ebay.com/itm/1986-2004-Suzuki-Savage-LS650-Radiant-Cycles-Shorty-GP-Exhaust-Pipe-CHROME-/170540438953?fits=Make%3ASuzuki%7CModel%3ASavage+650&hash=item27b50095a9:g:EI0AAOSwFfhXjmqR&vxp=mtr

I know it is shorter, but if it has baffles, it would probably provide more restriction than the one I have now, plus would look a little nicer in my opinion ;D

Thanks!

Title: Re: Exhaust options
Post by justin_o_guy2 on 06/08/17 at 15:53:32

Better sound, power, lighter weight, good looking Dyna muffler.
AND, getting help tuning is easy.

Title: Re: Exhaust options
Post by piedmontbuckeye on 06/08/17 at 15:55:05

There are certainly others on here who know more than me, but I think there is more back pressure with the baffles. I was, however, dismayed when I saw that the exterior header pipe was so large in dia. but then the actual header pipe (inside the outer one) was so much smaller. I have a hunch that this arrangement provides a lot of restriction by itself.

Title: Re: Exhaust options
Post by piedmontbuckeye on 06/08/17 at 16:00:57

Sorry to disagree, but I tried the Dyna routine and I was so unimpressed. I ended up going back to original. It is definitely lighter weight though.

On the original, I tried to drill in extra holes in the back of it, and it was louder, but caused more "popping" and gurgling when shifting, that I welded shut the holes and went back to stock.

I didn't think either was worth it.

As it is originally jetted, it is too lean at the low range (approx. 1/8th throttle), I think it still needs re-jetted richer which I will do in the future.

I figured out that I liked quiet better - especially when taking the back roads through the North Carolina mountains and woods.

Right now, I measured it pretty closely, and I get 60 mpg. running stock and quiet.

Title: Re: Exhaust options
Post by meatcarnival on 06/08/17 at 16:06:54

I also forgot to mention that this is an '87 Savage, so it has the richer tune that was axed in '88. There is no backfiring in its current configuration, which means that it is close to running at the right fuel jetting. I think...lol

Title: Re: Exhaust options
Post by batman on 06/08/17 at 20:52:23

I went to the site but It won't allow me to see your pictures,you can tell if you have a HD muffler buy looking at the side of the muffler that faces the rear wheel it is stamped into the chrome with the part number.If it is an HD with the baffle removed you can go to a parts store ,buy a 1 1/4 inch soft plug ,for a couple of bucks and drive it half way down the muffler from the inlet end ,to restore the muffler to stock .

Title: Re: Exhaust options
Post by eau de sauvage on 06/08/17 at 21:53:46

Mutha Fugga, that is one ugly exhaust.

@piedmontbuckeye, have to disagree with you about the noise on the Dyna, it sounds way better than the OEM which is plain insipid, you get a nice cracking sound when you open up the Dyna but as has been pointed out in other threads when you're not fully on the gas, the Dyna is nice an quiet.

2B283D2428277D71490 wrote:

I went to the site but It won't allow me to see your pictures

Loaded them up here...

http://https://s21.postimg.org/j8iqkwt77/s-l1600-1.jpg (https://postimg.org/image/j8iqkwt77/)

http://https://s21.postimg.org/3obcudj2r/s-l1600.jpg (https://postimg.org/image/3obcudj2r/)

Title: Re: Exhaust options
Post by gizzo on 06/08/17 at 23:35:34

Wow that's an ugly muffler. Looks like it's off a tank or something. Begone! But, the GP shorty is gonna be hella loud and you will hate your life after half an hour with it.

@piedmontbuckeye, if the header pipe was the size of the outside pipe, that engine really wouldn't breath as well. It's a good cosmetic thing, though. It'd look a bit lame with a tiny (but properly sized) header on that engine. FWIW, I don't remember any of the Savage guys trying a large bore header but some of the Enfield crew have tried and gone back to the stock header after losing bottom end grunt, such as it is on an Enfield.

Title: Re: Exhaust options
Post by IslandRoad on 06/09/17 at 04:39:23

Go with the Dyna: easy to fit (look it up on the forum), looks great, lighter, relatively easy to tune, only a bit louder than stock but sounds good, can be found cheap (New Harley owners throw them out).

If you want louder, do a search on the forum. The Supertrapp seems to be a popular alternative.

Title: Re: Exhaust options
Post by LANCER on 06/09/17 at 08:13:23

You certainly do not want a header the size of the outside tube, that is way too big.
MAC has produced an exhaust system with a header that has a 1 3/4" ID and after riding almost 1000 miles with it installed I can definitely say it is too large. No surprise there. Asked on our engine size and power output 1 5/8" ID is the largest useable size for a MODIFIED engine, and 1 1/2" ID for a stock engine.
The MAC header causes a loss of power throughout the rpm range.
** I do like their muffler though, it has a nice sound.
I do not know if they are sold separately.

Title: Re: Exhaust options
Post by TheNaughtyLemur on 06/09/17 at 08:45:55

0E030C0107105055620 wrote:

Can the stock header be used with the MAC exhaust?

Title: Re: Exhaust options
Post by Dave on 06/09/17 at 09:10:42

That little muffler you linked from Ebay says: "Sounds nice and loud like GP bikes." I don't believe it has a baffle.....it has a hollow center tube with some packing around it (glass pack).

The original muffler you have most likely was not straight through - until somebody drove a steel rod through it to knock out the little plate that used to send the exhaust into the outer shell of the muffler.

The DYNA is a good muffler for a stock engine.....I am not sure it is the most appropriate looking muffler for a bobber.

Title: Re: Exhaust options
Post by justin_o_guy2 on 06/09/17 at 10:07:25

IF someone is wanting The Tuned Exhaust, stick a Supertrapp on it. But they are IckSpensive,, and louder than the Dyna.
Supertrapp make a shorty.

Title: Re: Exhaust options
Post by verslagen1 on 06/09/17 at 11:44:06

6F7076716C6B5A6A5A62707C37050 wrote:

IF someone is wanting The Tuned Exhaust, stick a Supertrapp on it. But they are IckSpensive,, and louder than the Dyna.
Supertrapp make a shorty.

The back-pressure is adjustable, but I haven't checked to see if the volume/length co-responds to any rpm.

Title: Re: Exhaust options
Post by meatcarnival on 06/09/17 at 15:02:08

Alright looks like I will be grabbing a Dyna muffler...looks much shorter than mine and quieter (which is not a bad thing, this one on the highway makes my ears ring after 15 minutes).

Thanks for all the help!

Title: Re: Exhaust options
Post by philthymike on 05/01/19 at 06:17:56

Anybody see any reason this muffler couldn't fit the Savage?

https://www.revzilla.com/motorcycle/firebrand-exhaust-rip-rod-slip-on-muffler-for-harley

https://firebrandmotorcycle.com/firebrand-aftermarket-exhausts/products/universal-fit-products/universal-rip-rod-slip-on-chrome/

http://https://firebrandmotorcycle.com/wp-content/uploads/Rip-Rod-Universal-Chrome-Table-Bracket-on-Black.jpg

Says it fits a Dyna so my mind says why not the Savage too?
Why? because....
well lets just say subjective reasons mostly.

http://https://firebrandmotorcycle.com/wp-content/gallery/Rip-Rod-Chrome-Universal/21-1001-COMPLETE-ASSEMBLY.jpg

Title: Re: Exhaust options
Post by batman on 05/01/19 at 09:05:01

I don't see why it wouldn't fit ,BUT, they do go on to say they are not legal in CA. except for off road ,or racing, a general hint that they may be loud.

Title: Re: Exhaust options
Post by philthymike on 05/01/19 at 17:00:42

They sell a quiet insert thingy for them if it's too much volume. Personally I need a bit more loudness on the streets I ride. Too many inattentive drivers around here.

Title: Re: Exhaust options
Post by badwolf on 05/01/19 at 19:09:25

Basicly nothing aftermarket is ''legal'' in California.
C'ept pot.

Title: Re: Exhaust options
Post by zipidachimp on 05/02/19 at 02:06:13

Not that it matters, but the chrome on the Dyna is outstanding! 8-)