How do I make my Exhaust Loud? - Motorcycle Forum
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post #1 of 19 (permalink) Old 07-30-2008, 05:43 AM Thread Starter
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Question How do I make my Exhaust Loud?

I heard that I could poke holes in the baffles but it seems pretty shotty....
What have you guys done?
Thanks,
CKSURFER
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post #2 of 19 (permalink) Old 07-30-2008, 07:22 AM
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I took mine OFF.
post #3 of 19 (permalink) Old 07-30-2008, 11:15 AM
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Why do you want to make your exhaust loud? All your gonna do is p-off your neighbors.
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post #4 of 19 (permalink) Old 07-30-2008, 11:23 AM
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^ ...and this is a bad thing? Nope an added bonus!
post #5 of 19 (permalink) Old 07-30-2008, 11:28 AM
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Quote:
Originally Posted by Custom85VT View Post
^ ...and this is a bad thing? Nope an added bonus!
It is when you have an 11month old trying to sleep.
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post #6 of 19 (permalink) Old 07-30-2008, 11:55 AM
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^ Yup sure is. The parents of that same child (figuratively not you personally ) didn’t mind when their decision to procreate screamed during for the full duration of my last 12 hour transatlantic flight. Karma goes both ways.
post #7 of 19 (permalink) Old 07-30-2008, 01:12 PM
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Originally Posted by Custom85VT View Post
^ Yup sure is. The parents of that same child (figuratively not you personally ) didn’t mind when their decision to procreate screamed during for the full duration of my last 12 hour transatlantic flight. Karma goes both ways.
What you describe is not karma.
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post #8 of 19 (permalink) Old 07-30-2008, 02:39 PM
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I apologies most humbly your presence. I had no idea you were a guru.

In an effort to steer this post back onto cksurfer’s original topic…
Here is an excellent exhaust mod FAQ & guide (w/ pics):
http://www.sa750.com/exhaust/exhaust.htm
post #9 of 19 (permalink) Old 07-30-2008, 02:51 PM
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Quote:
Originally Posted by Custom85VT View Post
In an effort to steer this post back onto cksurfer’s original topic…
Here is an excellent exhaust mod FAQ & guide (w/ pics):
http://www.sa750.com/exhaust/exhaust.htm
Agreed.

I had an eperience with this before. Didn't mean for it to come out here like this though. An old neighbor of mine modded his exhauast to make it louder and not too many people on our street appreciated it at 2 o'clock in the morning.
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post #10 of 19 (permalink) Old 07-30-2008, 05:55 PM
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Something to consider when changing or altering your exhaust..... You are changing the flow of air through your motor. The intake of air may be affected, and you may need to rejet and rebalance your carbs, which, is THE MOST FUN EVER!

I've heard of people drilling holes into the end of the baffle. I've heard of people removing the end of the exhaust, and taking the baffles out completely, thus making it a straight pipe. I personally took apart a canister muffler and fabricated my own custom baffle that lowered the restriction in the exhaust. Yes, it changed my airflow significantly, and I had to rejet. And that was on a single cylinder bike, so recognize the risks involved, and the time involved in making the bike run properly after your 'mod'.

It's fun, and louder, but it's alot of work also.

loudest143

meh
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post #11 of 19 (permalink) Old 08-03-2008, 03:48 PM
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Also keep in mind that you can actually REDUCE the power of your bike by doing a half-assed exhaust mod. And in the case of drag pipes, even when done correctly, you're still gonna lose a bunch of power unless your running the engine near its redline the whole time (they don't call 'em drag pipes for nuthin!).

Personally, I'd rather not sacrifice HP for dB...

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post #12 of 19 (permalink) Old 08-03-2008, 06:08 PM
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Download and read this PDF:
"Understanding Exhaust: The How & Why"
http://www.bigcitythunder.com/pages/...ng_exhaust.pdf
post #13 of 19 (permalink) Old 08-04-2008, 01:11 AM Thread Starter
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Cool article.
I'm now guessing that poking holes probably isn't the best idea
I've heard of drag pipes (which I believe are straight pipes)...... can you make those things?
Or do car exhaust places form bike exhausts?
Thanks for all of the help
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post #14 of 19 (permalink) Old 08-04-2008, 01:14 AM Thread Starter
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Would my stock pipes and carb settings give me the best mpg?
I've heard that rejetting the carbs and adding new pipes can get you 10mpg. is that a myth?
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post #15 of 19 (permalink) Old 08-04-2008, 04:59 AM
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Quote:
Originally Posted by cksurfer View Post
I've heard of drag pipes (which I believe are straight pipes)...... can you make those things?
Sure, I did. Helps if you have a buddy with a muffles shop (pipe bender).
post #16 of 19 (permalink) Old 08-08-2008, 10:53 AM
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I am might be thinking of cars, but I think it is the same as motorcycle. What about back pressure, and the values in the motor would crack from all the cold air?
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post #17 of 19 (permalink) Old 08-08-2008, 10:57 AM
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Originally Posted by amanofgreatevil View Post
I am might be thinking of cars, but I think it is the same as motorcycle. What about back pressure, and the values in the motor would crack from all the cold air?
Read the link found in post #12
post #18 of 19 (permalink) Old 08-08-2008, 11:05 AM
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Right...

Haha, maybe I just showed some info off the link.
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post #19 of 19 (permalink) Old 08-10-2008, 06:57 PM
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torq cones solved my back pressure prob. when i pulled my baffles
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