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Old Apr 10, 2009 | 12:07 AM
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Looking at aftermarket parts for my 08 Fat Bob and trying to figure out what is the difference between exhaust baffles. I am looking at the Rush Slip on 2.0 and see they also have 2.25 and 1.75. Is the smaller the baffle the louder it sounds. I currently have the screaming eagle slip on but looking for just a little better sound. Also what is the difference between the power commander and thundermax is one better then the other. From my readings I like the thundermax better. As I am deployed to Iraq right now its hard to get good advise and research on the products. Any and all help would be great.
 
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Old Apr 10, 2009 | 12:43 AM
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If I understand correctly the larger the baffle size the louder the bike, I know this sounds backwards but that is how I understand it to be. I am sure others here will chime in. When ya get back send me a PM I might be interested in the SE's. Be Safe over there. Thanks for what you do for this country.
 

Last edited by cpl215; Apr 10, 2009 at 12:57 AM.
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Old Apr 10, 2009 | 12:45 AM
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I'm not 100% for sure, but I would say the size is the amount of flow through diameter. So the bigger, the less the baffles.

Don't go by me because I'm just another dumb guy.
 
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Old Apr 10, 2009 | 12:52 AM
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I originally had the Rush 1.75 baffles, then replaced them with the 2" baffles which were louder and deeper toned.

If you are only doing the exhaust and not a high flow air cleaner, you don't need a tuner or download from the dealer - your stock air cleaner will limit the air flow through the engine.

If you do decide to go full Stage 1 you will need a tuner. Opinions on which is better are a major topic on the forum.

Auto tuners are expensive, but generally considered the better way to go because you will not need to pay for a dyno tune to get the bike running it's best.
 
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Old Apr 10, 2009 | 01:05 AM
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http://i75.photobucket.com/albums/i3...ght92/bike.jpg

Ugggg I can't remember if they put the stage 1 on it or not but I don't believe so. It does have the force air filter that I am thinking about changing to a hypercharger but one thing at a time. So much to look at so many ideas. I just want to ride ride ride...i miss my bike
 
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Old Apr 10, 2009 | 01:40 AM
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You have other options,the BCT baffles will fit right in those SE's with no need to retune. http://www.bigcitythunder.com/pages/...rformance.html
 
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Old Apr 10, 2009 | 05:17 AM
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Originally Posted by cpl215
Thanks for what you do for this country.
Thanks for what you're doing for this World!
 
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Old Apr 10, 2009 | 06:48 AM
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I am 100% sure the larger the baffle the louder it is. Baffle size is the diameter of the opening. Its like the old days when people used to remove baffles to make their bikes louder. Also think of a car that has lost its muffler ( ie Baffle ) its loud as hell. I have the Rush 2.0 baffles on my Fat Bob and they are loud enough. As far as tuning goes the Thunder Max and Powercommander V are good tuners. Once you get your bike tuned the thing just sits there. Alot of dealers have Dyno's that link with the Powercommander and you can get a custom map to your bike , but it will cost ya a few bucks
 

Last edited by SilentWarrior; Apr 10, 2009 at 06:56 AM.
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Old Apr 10, 2009 | 07:38 AM
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Originally Posted by soldierboy92
http://i75.photobucket.com/albums/i3...ght92/bike.jpg

Ugggg I can't remember if they put the stage 1 on it or not but I don't believe so. It does have the force air filter that I am thinking about changing to a hypercharger but one thing at a time. So much to look at so many ideas. I just want to ride ride ride...i miss my bike
You have an aftermarket air system so you have stage1. The 2.0 baffles tend to be favored by most for sound quality. I agree. Do not change that beautiful intake system for a hypercharger!
 
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Old Apr 10, 2009 | 07:56 AM
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+ 1 100% sure,just think of a pipe organ and which pipes give the lower notes.
 
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