SuzukiSavage.com - Muffler question

Greg Serious Thumper Offline Molon Labe Posts: 1251 Southeast PA, uSA Gender:	Muffler question 04/28/12 at 17:59:54 I had an idea. I don't know if it would work. I was thinking of removing the stock muffler and putting a chrome exhaust tip from Pep Boys on there. Is that feasible? What size would I need? I know I would need to rejet the carb, but would I lose much bottom end power? Thanks.
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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 28649 Tucson Az Gender:	Re: Muffler question Reply #1 - 04/28/12 at 18:20:02 If you're not an expert carb tuner... Don't even try it... You'll lose a bunch of torque, and it'll run like crap... Get a Dyna take-off ... ... easy tuning...
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Greg Serious Thumper Offline Molon Labe Posts: 1251 Southeast PA, uSA Gender:	Re: Muffler question Reply #2 - 04/28/12 at 18:29:02 I was going to have a shop deal with the carb. The Dyna take off intrigues me, but so does a simple straight pipe.
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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 28649 Tucson Az Gender:	Re: Muffler question Reply #3 - 04/28/12 at 18:31:43 They aren't expert tuners either... believe me... ...
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Greg Serious Thumper Offline Molon Labe Posts: 1251 Southeast PA, uSA Gender:	Re: Muffler question Reply #4 - 04/28/12 at 18:37:12 Thanks! I appreciate the insight! I wish I could hear what it sounds like with a few holes drilled in the rear of the muffler. I can't seem to find any examples though.
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Routy Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 2280 Winston Oregon Gender:	Re: Muffler question Reply #5 - 04/28/12 at 20:54:47
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Greg Serious Thumper Offline Molon Labe Posts: 1251 Southeast PA, uSA Gender:	Re: Muffler question Reply #6 - 04/29/12 at 05:53:00 Routy, any chance you can grab some audio of that? What size holes did you drill?
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ALfromN.H. FSO Serious Thumper Alliance Member Offline Dragon Slayer Posts: 1421 Rochester, New Hampshire Gender:	Re: Muffler question Reply #7 - 04/29/12 at 12:38:09 This might help http://suzukisavage.com/cgi-bin/YaBB.pl?board=tech;action=display;num=1151331237
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223fan YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 45 Crawley WV Gender:	Re: Muffler question Reply #8 - 04/29/12 at 13:03:20 Routy, was a rejet needed after this was done and how far in did you drill these holes?
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Routy

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Re: Muffler question
Reply #9 - 04/29/12 at 14:19:20

I can't do video, and hard to tell if it sounds similar or any different than any of those recorded. All I know is it is somewhat louder, but not bothersome to others.

The hole circle diameter @ 1.625 mite be kinda critical, as others that did this had trouble breaking bits because of something on the back side, I didn't have any problem @ 1.625. The holes only go thru the 3/16th thick plate. But I think I was careful to not go in much more to keep from striking anything inside.
I started w/ 3/16th holes, and ended w/ 5/16th holes. I think its just right for loudness, and I don't think it sounds bad either. Several have done this, most were pleased, but others weren't and made other mods.

I did not rejet, except for the white spacer mod that I had done before.
Stock jets....145 main, and I see no evidence of running lean. Others change to bigger jets before they ever touch the exhaust.

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Rich
'07 S40 Blvd stocker, except drilled OEM exhaust and white spacer mod...1/2 (.055)

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Jacob

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2012 Suzuki S40 650

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Ford City, PA
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Re: Muffler question
Reply #10 - 04/29/12 at 18:43:45

Could you point me in the direction of the white spacer mod please? I wouldn't mind doing that to my S40. I have a 2012 and am looking for a louder exhaust but I might try drilling (8) 5/16 holes like the gentlemen in the posting. Another question, I may sound dumb but how can I tell if my bike runs lean? Does anyone know what my stock jets are and maybe what I should upgrade them to?

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Routy Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 2280 Winston Oregon Gender:	Re: Muffler question Reply #11 - 04/30/12 at 06:16:00 Jacob, Did you find the info you wanted here ? Most can be found in the tech section,....otherwise post back.
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Jacob Junior Member Offline 2012 Suzuki S40 650 Posts: 60 Ford City, PA Gender:	Re: Muffler question Reply #12 - 05/01/12 at 19:02:48 Just looking for instructions for the white spacer mod. Instructions with pictures would be awesome! lol.. But if you had a url or link to the post or forum for this mod, it would be awesome. Thanks Jacob
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Serowbot

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Re: Muffler question
Reply #13 - 05/01/12 at 19:05:42

Jacob wrote on 05/01/12 at 19:02:48:

Just looking for instructions for the white spacer mod. Instructions with pictures would be awesome! lol.. But if you had a url or link to the post or forum for this mod, it would be awesome.
Thanks
Jacob

There she be...
http://suzukisavage.com/cgi-bin/YaBB.pl?board=tech;action=display;num=1104205157
.. or read my tuning guide... to learn everything...
http://suzukisavage.com/cgi-bin/YaBB.pl?num=1309246277

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