Author Topic: Has anyone ever tried...?  (Read 11434 times)

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Offline KRONUS0100

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Re: Has anyone ever tried...?
« Reply #25 on: January 15, 2011, 08:50:20 AM »
MATT
current bikes:  1976 CB750F, 1981 GS1100E
bikes owned:1981 GL1100I, 1990 GS500E, 1981 GS850, 1977 and 1979 GS750, 1974 CB750, 1975 CB750, and a 1982 GS750E

Offline KRONUS0100

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Re: Has anyone ever tried...?
« Reply #26 on: January 15, 2011, 08:52:18 AM »
i have since replaced that header/muffler with a Kerker, think I much prefer the sound of the THRUSH over the Kerkker.
MATT
current bikes:  1976 CB750F, 1981 GS1100E
bikes owned:1981 GL1100I, 1990 GS500E, 1981 GS850, 1977 and 1979 GS750, 1974 CB750, 1975 CB750, and a 1982 GS750E

Offline vanillagorilla

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Re: Has anyone ever tried...?
« Reply #27 on: January 15, 2011, 04:04:36 PM »

http://www.amazon.com/Cherry-Bomb-87522-Glasspack-Muffler/dp/B003E5P7EW
    * 8 inch body
    * Overall length: 12 inch
    * Inlet: 2.5 inch
    * Outlet size: 2.5 inch
    * Body diameter: 3.5 inch
This is the one I am going to use... Should fit nicely on the bike, and I am going to experiment with some additional baffling. I already put a baffle in the header using a trick I learned @ MMI. Didn't do much more than take out the harsher raspy tone, but that was way better than it was. Hoping I can get this done soon. Looking forward to seeing if it works.
1978 CB750K 1976 Z1 2 Trail 90s

Offline plug1

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Re: Has anyone ever tried...?
« Reply #28 on: January 15, 2011, 06:00:38 PM »
You could try one of these. http://www.dansperformanceparts.com/buggy/exh/exhaust%20acc.htm Light, cheap, and easily adjustable.

Offline vanillagorilla

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Re: Has anyone ever tried...?
« Reply #29 on: January 31, 2011, 10:31:13 AM »
Got my glass pack this morning. Came home for lunch and tested it holding it up to the header. It is a noticeable difference with just the glass pack, but I am putting the washer in the end to give it a little extra baffling. Much quieter at idle but still sounds real nice @ around 5k. Before and after videos should be up this evening!
1978 CB750K 1976 Z1 2 Trail 90s

Online dave500

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Re: Has anyone ever tried...?
« Reply #30 on: January 31, 2011, 11:39:39 AM »
something like this?walker straight through muffler $58.

it sounds like any exspensive bike muffler you can buy,even after a long hard uphill ride you can touch the outside,those hotdogs will get bloody hot.
« Last Edit: January 31, 2011, 11:43:23 AM by dave500 »

Offline Really?

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Re: Has anyone ever tried...?
« Reply #31 on: January 31, 2011, 11:49:02 AM »
You could try one of these. http://www.dansperformanceparts.com/buggy/exh/exhaust%20acc.htm Light, cheap, and easily adjustable.

Not a bad price for those!  Nice and short too.
I don't have a motorcycle, sold it ('85 Yamaha Venture Royale).  Haven't had a CB750 for over 40 years.

The Wife's Bike - 750K5
The Kid's Bike - 750K3

Offline vanillagorilla

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Re: Has anyone ever tried...?
« Reply #32 on: January 31, 2011, 01:49:14 PM »
Yeah that muffler looks nice. Got the glass pack welded on... I will say this, that muffler shop doesnt consider welding an art. I knew i would have to grind and sand and paint it to look good, but they didnt make it any easier for me! It sounds nice, quiet at idle, but still sounds real nice(but not deafening) 4500+. I'll post those videos when I get home from work...
1978 CB750K 1976 Z1 2 Trail 90s

Offline vanillagorilla

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Re: Has anyone ever tried...?
« Reply #33 on: January 31, 2011, 04:02:12 PM »
Before...
http://www.youtube.com/watch?v=Bg2EB1SilbU
After...
http://www.youtube.com/watch?v=GIrOfDYa1Mk
Will be doing some grinding and sanding and painting this weekend, but all in all not a bad muffler for $60 total cost!



Whaddaya think?!?!?!?!?
« Last Edit: January 31, 2011, 04:04:08 PM by vanillagorilla »
1978 CB750K 1976 Z1 2 Trail 90s

Offline Really?

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Re: Has anyone ever tried...?
« Reply #34 on: January 31, 2011, 04:07:16 PM »
Sounds like it made it a lot quieter.
I don't have a motorcycle, sold it ('85 Yamaha Venture Royale).  Haven't had a CB750 for over 40 years.

The Wife's Bike - 750K5
The Kid's Bike - 750K3

Offline MCRider

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Re: Has anyone ever tried...?
« Reply #35 on: January 31, 2011, 06:24:25 PM »
Sounds like it made it a lot quieter.
Agreed, I like it.
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1988 NT650 HawkGT;  1978 CB400 Hawk;  1975 CB750F -Free Bird; 1968 CB77 Super Hawk -Ticker;  Phaedrus 1972 CB750K2- Build Thread
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Offline Terry in Australia

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Re: Has anyone ever tried...?
« Reply #36 on: February 03, 2011, 05:35:50 AM »
Good Job mate, I think the washer made all the difference. ;D
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline crazypj

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Re: Has anyone ever tried...?
« Reply #37 on: February 03, 2011, 08:50:13 AM »
Small Thrush on pipes I made for CB360
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Offline vanillagorilla

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Re: Has anyone ever tried...?
« Reply #38 on: February 03, 2011, 10:26:16 AM »
Wow, at least I know that thing will look good painted black! Nice looking pipes, Crazypj! Yeah, Terry, I tried it with and without the washer and it does actually help, especially anywhere off idle!
1978 CB750K 1976 Z1 2 Trail 90s

Offline Terry in Australia

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Re: Has anyone ever tried...?
« Reply #39 on: February 03, 2011, 04:25:51 PM »
Wow, at least I know that thing will look good painted black! Nice looking pipes, Crazypj! Yeah, Terry, I tried it with and without the washer and it does actually help, especially anywhere off idle!

That's it mate, the additional back-pressure will have helped too. What's it like to ride with it? Cheers, Terry. ;D

Small Thrush on pipes I made for CB360


Very nice mate, I'm not in love with your mounting bracket, but the rest of the system looks very neat, almost "British" in appearance. Cheers, Terry. ;D
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline Kanticoy

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Re: Has anyone ever tried...?
« Reply #40 on: February 03, 2011, 04:31:54 PM »
You can get chrome reverse meggas made by folks like EMGO for like $35.  It would be WAY lighter and actually tone that sucker down.  But like said before, it's your bike.  4 LBS for a muffler is overkill IMO.

Offline Terry in Australia

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Re: Has anyone ever tried...?
« Reply #41 on: February 03, 2011, 04:34:34 PM »
I've used those cheapo chrome megaphones before mate, and the only advantage that I can see is that they're cheap. Otherwise, they're junk. Cheers, Terry. ;D
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline Kanticoy

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Re: Has anyone ever tried...?
« Reply #42 on: February 03, 2011, 04:48:16 PM »
I've used those cheapo chrome megaphones before mate, and the only advantage that I can see is that they're cheap. Otherwise, they're junk. Cheers, Terry. ;D

I hear ya man.  I've never used them, but if cheap is the name of the game!  Hahaha!  Well noted, and avoided in the future! 

Offline vanillagorilla

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Re: Has anyone ever tried...?
« Reply #43 on: February 03, 2011, 04:50:01 PM »
I honestly havent got to ride it much since I put the pipe on. Doesn't seem to rev as fast, but I can feel the torque improvement. Looking forward to putting some miles on her when it warms up a little. And I don't think the 4lb muffler has near the effect on handling as the 270lb rider! Still hang the old girl over pretty good though.
1978 CB750K 1976 Z1 2 Trail 90s

Offline crazypj

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Re: Has anyone ever tried...?
« Reply #44 on: February 03, 2011, 10:24:14 PM »

Very nice mate, I'm not in love with your mounting bracket, but the rest of the system looks very neat, almost "British" in appearance. Cheers, Terry. ;D

 Hi Terry, that was the general idea.
 Bracket was something I threw on real quick as I could get a dyno run done for free.
 I still haven't done it but I'm going to weld up a tubular mounting similar to racing Triumph/Norton Commando  or, maybe make an aluminium one similar to the front brake torque arm extension I made
I fake being smart pretty good
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Offline Terry in Australia

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Re: Has anyone ever tried...?
« Reply #45 on: February 04, 2011, 12:46:21 AM »

Very nice mate, I'm not in love with your mounting bracket, but the rest of the system looks very neat, almost "British" in appearance. Cheers, Terry. ;D

 Hi Terry, that was the general idea.
 Bracket was something I threw on real quick as I could get a dyno run done for free.
 I still haven't done it but I'm going to weld up a tubular mounting similar to racing Triumph/Norton Commando  or, maybe make an aluminium one similar to the front brake torque arm extension I made



Oooher, now that is sweeet Peej! ;D
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Online dave500

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Re: Has anyone ever tried...?
« Reply #46 on: February 04, 2011, 02:15:52 AM »
i like the look of twin leading drums,they look busy.

Offline crazypj

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Re: Has anyone ever tried...?
« Reply #47 on: February 04, 2011, 10:57:48 PM »
i like the look of twin leading drums,they look busy.

 It's a CB350 drum I modified (polished, drilled some holes, painted, vented, etc)
 Yamaha XS650 18 X 2.15 (WM3 rim), Suzuki Katana 600 forks I spent way too long polishing
I'm going to make a stainless steel yoke to replace the rusty one.
 Gues I'll update my project thread.  :D
 
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Online dave500

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Re: Has anyone ever tried...?
« Reply #48 on: February 05, 2011, 12:11:58 AM »
i wasnt going to comment on that rusty bit,i knew a man of your calibre would be dealing with it.

Offline Gregorymoto

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Re: Has anyone ever tried...?
« Reply #49 on: June 05, 2013, 10:17:40 AM »
I think that can is ugly as hell.
Yep, i have issues with this sort of stuff.