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Message started by flcruzr on 07/22/08 at 10:46:22

Title: Louder muffler
Post by flcruzr on 07/22/08 at 10:46:22

I have a dumb question!  

Is there anyway to make the stock muffler a little louder without changing it out with an aftermarket pipe?  I have heard of removing the baffles or drilling holes, just thought I would ask.

Title: Re: Louder muffler
Post by bill67 on 07/22/08 at 10:49:46

  take about a 14 inch drill bit and drill up in the hole at the end it makes it a little louder and more power

Title: Re: Louder muffler
Post by verslagen1 on 07/22/08 at 11:36:33

Some say the sound is crappy so do studdy the responses and search for old posts before you take action.   ;D

Title: Re: Louder muffler
Post by 4carbcorvair on 07/22/08 at 12:44:15

Something about the Pfft, Pfft, Pffft out of the muffler doesn't do it for me either.  ;D I bought a Harley Dyna muffler off Ebay, actually got the complete exhaust system from engine to muffler. Both pipes, both mufflers, all heat sheilds, mounting brackets, etc.... for $12.50 :) Waiting for after my road test next week before I install it.

Title: Re: Louder muffler
Post by bill67 on 07/22/08 at 13:16:21

   Every one wants the s40 to sound like a v-twin,no way it can.

Title: Re: Louder muffler
Post by justin_o_guy2 on 07/22/08 at 13:19:50

I didnt want it to sound like a V twin. But, I sure didnt like it sounding like my Moms sewing machine, nor did I like the backfiring, so, I stuck a Supertrapp on it, with 14 disks. Now, it scoots along & I recently passed a Radar installation by the road & I saw my speedo is slower than the radar said, soo,, I think I actually made the Ton a few months back when I saw 94 on the dial... No way with the stock setup...

Title: Re: Louder muffler
Post by Demin on 07/22/08 at 13:20:37

"Every one wants the s40 to sound like a v-twin,no way it can."


No,dumba$$ it's that Harley mufflers are usually cheap,little louder,and a lot smaller than the stock muffler.And pretty much bolt right on.
Actually you can make it sound like a vtwin just put this in.
http://w3.bikepics.com/pics/2007/10/28/bikepics-1069858-800.jpg

Title: Re: Louder muffler
Post by 4carbcorvair on 07/22/08 at 15:07:08


3F3E3632355B0 wrote:
No,dumba$$ it's that Harley mufflers are usually cheap,little louder,and a lot smaller than the stock muffler.And pretty much bolt right on.


Exactly. I would like mine to sound more like a motorcycle than my wifes 49cc scooter. The little Pfft, Pffft noise does not go with the bike. And if I wanted a V-twin, I would have bought a V-twin. The sound of a single with a muffler that actually lets the engine exhale is fine by me. :)

Title: Re: Louder muffler
Post by rigidchop on 07/22/08 at 17:21:54

mine sounds pretty good with the slash cut SE, it's probably too loud at WOT though. kinda sounds vtwinish at lower rpms, lugging it.

Title: Re: Louder muffler
Post by flcruzr on 07/22/08 at 18:30:07


4140484C4B250 wrote:
No,dumba$$ it's that Harley mufflers are usually cheap,little louder,and a lot smaller than the stock muffler.And pretty much bolt right on.


Can someone tell me what model Harley muffler works well with our bikes?

Title: Re: Louder muffler
Post by Demin on 07/22/08 at 18:31:47

The Dyna seems to work the best.The Softail,and Sp[orty mufflers have a hole you have to plug.

Title: Re: Louder muffler
Post by Sandy Koocanusa on 07/22/08 at 18:37:15

To answer your original question, can the stock muffler be made louder... Yes it can.  I removed the back plate from the muffler, which is held on by four rivets.  Just drill those out.  Then pull that plate out.  It has a cage full of fiberglass attached to the back of it.  You may have to wiggle the plate up and down, side to side a little to get it to come out.

Once it is out, you can gradually make things louder by A.) Removing the fiber glass from the little cage.  B.)  Using a long bit extender and a drill bit to drill holes in the baffle up front.  C.) Drilling said holes and then leaving the back plate off entirely.

To reattach the plate, if so desired, you can drill appropriately sized holes where the rivets were and then use lag screws to fasten it in place.  I carried mine around with me for awhile, putting it in whenever I thought I might bother someone by being too noisy.  Then I figured "Joke 'em if they can't take a screw."  The plate and little cage thingy are sitting on a shelf in the shed getting rusty now.  

The bored out stock muffler doesn't sound as nifty as some of the after market ones out there, but I think it sounds a lot better than the tinny, quiet, unadulterated version I had before.  Then again, I'm not all that picky.  I've noticed no one wants to drive their car next to me in traffic anymore.  I like that.  

I posted pictures of some of this stuff awhile back in a thread entitled "This muffler is screwed!"  Can't remember how long ago that was, but a search should turn it up.

Title: Re: Louder muffler
Post by serowbot on 07/22/08 at 18:46:45

Harley mufflers ..dyna,sportster,etc. differ by the mount, sportsers are tab mount, dyna's are rail mount, either will work, rail is easier.  Just don't get one with a crossover tube, you'll see it at the front, a 1"nipple.  Look on e-bay.

Title: Re: Louder muffler
Post by flcruzr on 07/22/08 at 18:54:06

Very informative!  

Title: Re: Louder muffler
Post by bill67 on 07/22/08 at 19:23:19

  They have the sounds of the s40 on here tell me if any of them sound good

Title: Re: Louder muffler
Post by NewThumperGuy on 07/25/08 at 07:01:53

My stock has 4 holes drilled in the end of it, it is louder but still not the greatest sound. So I am also looking into a new muffler to replace my tampered stock one. I really want it to produce a nice lower range thump to compliment my savage. Any recommendations?

Title: Re: Louder muffler
Post by SimonTuffGuy on 07/25/08 at 08:29:53

Here is Sandy's topic he mentioned earlier:

http://suzukisavage.com/cgi-bin/YaBB.pl?num=1212632286/0#0

I've got a Dyna in my basement waiting to be installed... I was thinking of going with one of the Hard Krome muffler that Lancer was offering, but replied too slow.

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