Gut Factory Muffler
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ChipBeck
High Mileage
Scottsdale, Arizona
Posts: 886
Joined: May 2013
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RE: Gut Factory Muffler
(05-12-2015 11:04 AM)offroadfx4 Wrote: ......what I think I really need is a big fancy laser cutter.....
Offroadfx4,
What I think you really need is a Stayintune slip on and an ice cold beer!!!
Great sound, less filing!!! I also drive a Ford FX4. Cheers.
Chip
The road to hell on earth is paved with the good intentions of liberals.
(This post was last modified: 05-12-2015 07:10 PM by ChipBeck.)
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05-12-2015 07:06 PM |
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The ferret
Forum Moderator
Ohio
Posts: 31,277
Joined: Apr 2013
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RE: Gut Factory Muffler
Less filing? Lol
.
Defender of the Realm
2014 DLX (the pleasure horse)
2021 NC750X DCT (Angry Bird)
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05-12-2015 07:08 PM |
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offroadfx4
High Mileage
Indiana
Posts: 1,113
Joined: Apr 2014
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RE: Gut Factory Muffler
Yea I know, I'm chasing 40 year old memories, probably fuzzy memories.
That Staintune is just so expensive, looks almost stock and I'm not sure it will be loud enough for me.
From what I remember seems like the Kerker exhaust was squared off on the end, like the picture below
Maybe I will go so fast enough, no one will see the mess inside from the back, at least not for long ;-)
Not really, I think the louder it is, the slower I will go?
2018 BMW K1600GT
2014 Honda CB1100 STD
1984 Kawasaki GPZ750
1978 Yamaha YZ125
1976 Honda CB750 (cost $1776 new)
1973 Honda CB350
1970 Honda 50 Mini Trail
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05-12-2015 10:36 PM |
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EmptySea
Lives On Two Wheels
Chicagoland, USA
Posts: 7,004
Joined: Jun 2013
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RE: Gut Factory Muffler
I'm following this thread in awe of your gutsy ingenuity. I'm sure that your sawing and drilling and dremelling will ultimately result in the perfect exhaust for your and I can't wait to see the final product.
On an unrelated note, I have a very nice stock muffler (just a very minor dent) which I could be persuaded to sell at a reasonable price.
MTC
"If you can’t go home again, at least you can enjoy the ride” — Peter Egan
2013 CB1100 non-abs
2013 CB1100 abs
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05-12-2015 11:19 PM |
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ChipBeck
High Mileage
Scottsdale, Arizona
Posts: 886
Joined: May 2013
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RE: Gut Factory Muffler
(05-12-2015 10:36 PM)offroadfx4 Wrote: Yea I know, I'm chasing 40 year old memories, probably fuzzy memories. That Staintune is just so expensive, looks almost stock and I'm not sure it will be loud enough for me.
Off,
I wish you were closer so you could take my CB11 out for a ride. Like you, I think I'm a connesour of good motorcycle sound. The Staintune slip on is straight through with no baffles at all. It doesn't quiet the bike much but it deepens the tone a bit and it sounds bitchin'.
Here's a little test you can run. Take your muffler off completely and ride your bike. It will run fine and then you'll know the loudest it can be. It is still being muffled by the catalytic converter so it will be quieter than you think. If you gut your can completely so only the cut off megaphone with no end cap remains your bike will be a bit higher pitched and slightly quieter from every direction but behind. The Staintune works like the cherry bomb mufflers that were popular on hot rods and muscle cars in the 60's. Straight through, zero back pressure, and a perforated inner tube that kills the highest frequencies to give the exhaust a more pleasing (to most ears) tone without making it much quieter.
The catalytic converter does much the same thing. Keep us posted. I like the look of that Kirker pipe too.
Chip
The road to hell on earth is paved with the good intentions of liberals.
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05-12-2015 11:28 PM |
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Cormanus
Moderator
Queensland, Australia
Posts: 20,659
Joined: Dec 2013
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Gut Factory Muffler
I've no idea what your bike sounds like Offroad, but I've listened to Pterodactyl's Staintune a good deal. It's not hugely louder than the stock muffler, but there is a subtle and very pleasing difference in note. Chip has it right.
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05-13-2015 01:51 AM |
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offroadfx4
High Mileage
Indiana
Posts: 1,113
Joined: Apr 2014
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RE: Gut Factory Muffler
This took forever to figure out how to post a video from photobucket....hope it works!
For 11s it's 35 mb, hope it streams.
Sound quality is not that good, got to find a better way than a cell phone.
You can hear the little backfires that start to develop, I know it a sign of a poorly tuned engine, but I like it ;-)
Now if I can just get it to shoot some flames out of it...haha
2018 BMW K1600GT
2014 Honda CB1100 STD
1984 Kawasaki GPZ750
1978 Yamaha YZ125
1976 Honda CB750 (cost $1776 new)
1973 Honda CB350
1970 Honda 50 Mini Trail
(This post was last modified: 05-13-2015 05:34 PM by offroadfx4.)
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05-13-2015 04:54 PM |
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Lord Popgun
I find your lack of RLETs disturbing
Virginia Beach
Posts: 10,442
Joined: Apr 2013
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RE: Gut Factory Muffler
Worked good for me!
If you come to a fork in the road, take it!
2013 CB1100
2012 ST1300
Holder of the CB1100Forum Secret Decoder Ring
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05-13-2015 05:58 PM |
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offroadfx4
High Mileage
Indiana
Posts: 1,113
Joined: Apr 2014
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RE: Gut Factory Muffler
Quote:Great sound, less filing!!! I also drive a Ford FX4. Cheers.
I've had 3 FX4's since 2000, they are so expensive, my 2007 might have to last a while.
I was looking for a gmail name that would be easy for me to remember, offroadfx4 was available, now it makes an easy user name to remember too!
Quote:Off,
I wish you were closer so you could take my CB11 out for a ride. Like you, I think I'm a connesour of good motorcycle sound. The Staintune slip on is straight through with no baffles at all. It doesn't quiet the bike much but it deepens the tone a bit and it sounds bitchin'.
Here's a little test you can run. Take your muffler off completely and ride your bike. It will run fine and then you'll know the loudest it can be. It is still being muffled by the catalytic converter so it will be quieter than you think. If you gut your can completely so only the cut off megaphone with no end cap remains your bike will be a bit higher pitched and slightly quieter from every direction but behind. The Staintune works like the cherry bomb mufflers that were popular on hot rods and muscle cars in the 60's. Straight through, zero back pressure, and a perforated inner tube that kills the highest frequencies to give the exhaust a more pleasing (to most ears) tone without making it much quieter.
The catalytic converter does much the same thing. Keep us posted. I like the look of that Kirker pipe too.
Chip
I do wish I could hear a Staintune in person, maybe if I make it to the NC rally I can.
I thought about doing the removing the muffler test, but I thought maybe there is something to this "megaphone" shape that amplifies the sound, like a trumpet or other musical horn?
In fact when I had my Honda 50 45 years ago, I took off the muffler to make it louder, then my father fabricated a "funnel" or megaphone out of a piece of aluminum which made it louder still....I'm sure my neighbors love me ;-)
I am worried about changing the tone for the worst, that is what's stopping from cutting the front baffle out right now....I'm thinking it's like you said, it lowers the tone?
I used to have "cherry bombs" on my first car....a 1967 Falcon with a 289...fooled many people at the light when that Falcon could "bark" the rear tires going to 2nd :-)
2018 BMW K1600GT
2014 Honda CB1100 STD
1984 Kawasaki GPZ750
1978 Yamaha YZ125
1976 Honda CB750 (cost $1776 new)
1973 Honda CB350
1970 Honda 50 Mini Trail
(This post was last modified: 05-13-2015 10:59 PM by offroadfx4.)
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05-13-2015 10:50 PM |
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CBXBob
1st Service Completed
USA
Posts: 64
Joined: Nov 2013
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RE: Gut Factory Muffler
I drilled the baffles in the front and the rear with a 25mm uni-bit on long extensions. I also drilled 4 or 5 smaller holes along side. The sound was louder than stock but a little less mellow that after market exhaust ususally are.I now have a MSR stainless steel from Italy I like.It is a reverse cone type end not like the pipe out let end in the PiCs on their sight. It comes with a front and a rear db killer. I run both. Taking the rear out ( snapring) is probably the sound everyone is looking for,but too loud for me. But now their shipping costs have gone way up.. Now that I have a cable for my camera I will try to post pics or a bid. My phone will not post to the forum. It says not enough memory and I don't have the time to figure it out. Aslo installed a gear indicator on top of the instrument pod.
(This post was last modified: 05-14-2015 06:44 AM by CBXBob.)
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05-14-2015 06:35 AM |
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