Exhaust dBA - Suzuki GSXS1000 Forum
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post #1 of 17 Old 01-12-2016, 12:37 PM Thread Starter
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Exhaust dBA

Does anyone here have quantifiable exhaust noise data? I would like a list to compare stock to slip-ons and full exhausts. So far I have only found noise levels from BOS exhaust. Per BOS, at 5000 RPM, stock is rated at 100 dBA and was measured to be 96.5 dBA. BOS claims their slip-on brings the noise level back up to 100dBA. I know Yoshi is usually quiet but have no data as of yet. I really want more noise without a header but am worried that a slip-on is just paying $600 for looks. So what data is out there?
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post #2 of 17 Old 01-12-2016, 04:10 PM
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I couldn't find specific info for our bikes for the M4. This is a general statement from their site:


"Q: What does a M4 exhaust sound like?
A: Well to be honest, most aftermarket systems sound pretty much the same. Some have a deep sound and some, after a few miles, have a raspy sound.
We feel our systems have a deep, mellow sound. Most systems are around 92 to 98db's.
If you run your rpm up to the rev limiter the db's may go as high as 100 to 102db's."
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post #3 of 17 Old 01-12-2016, 06:54 PM
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New headers the only way for noise.
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post #4 of 17 Old 01-12-2016, 07:14 PM Thread Starter
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Originally Posted by LuckyGS View Post
I couldn't find specific info for our bikes for the M4. This is a general statement from their site:


"Q: What does a M4 exhaust sound like?
A: Well to be honest, most aftermarket systems sound pretty much the same. Some have a deep sound and some, after a few miles, have a raspy sound.
We feel our systems have a deep, mellow sound. Most systems are around 92 to 98db's.
If you run your rpm up to the rev limiter the db's may go as high as 100 to 102db's."
We'll if stock if 96.5 to 100 dBA then an aftermarket can does almost nothing for sound.
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post #5 of 17 Old 01-13-2016, 04:59 AM
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Originally Posted by Gixxus View Post
Does anyone here have quantifiable exhaust noise data? I would like a list to compare stock to slip-ons and full exhausts. So far I have only found noise levels from BOS exhaust. Per BOS, at 5000 RPM, stock is rated at 100 dBA and was measured to be 96.5 dBA. BOS claims their slip-on brings the noise level back up to 100dBA. I know Yoshi is usually quiet but have no data as of yet. I really want more noise without a header but am worried that a slip-on is just paying $600 for looks. So what data is out there?
Hi

Found this on a German GSX S1000 forum - Arrow header +Stock slip on, then with Akra and Yoshi slip ons.

If you still want to have more sound but without headers,see my OEM baffle bypass thread
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post #6 of 17 Old 01-13-2016, 06:31 AM Thread Starter
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Originally Posted by redbeard View Post
Hi

Found this on a German GSX S1000 forum - Arrow header +Stock slip on, then with Akra and Yoshi slip ons.

If you still want to have more sound but without headers,see my OEM baffle bypass thread
Thanks. I love how the Yoshi slip-on is quieter than stock. lol
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post #7 of 17 Old 01-14-2016, 12:34 PM Thread Starter
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Found this: Arrow - Suzuki GSX-S 1000 2015

1HP and +2 dBA for $400+

Umm.....No
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post #8 of 17 Old 01-20-2016, 10:10 AM
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https://www.youtube.com/watch?v=1md3RCKG6Rs
Interesting

Certain people are like slinky's, no apparent use but always bring a smile to your face when you push them down the stairs
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post #9 of 17 Old 01-21-2016, 06:35 PM Thread Starter
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So if any one is interested, I put a dB application on my phone and took some "scientific" measurements last night. Standing next to my bike with my arms as far apart as possible (6ft span), my left hand holding the phone, and my right hand on the throttle, 98 dB at 5000 RPM was measured. Sound spiked to 101 dB with a quick rev to 5k. If I put the phone right at the muffler, the highest dB was 103 on a quick rev to 5000 RPM. More proof that slip ons which max around 100 dB will do nothing for sound on this bike.
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post #10 of 17 Old 01-22-2016, 05:02 AM
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I have the IXIL slip on, if there is a difference in sound I cant pick it.
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