Modified Stock Exhaust

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09 Mar 2013 09:46 #576101 by johnjones750csr
Modified Stock Exhaust was created by johnjones750csr
Has anyone here ever just modified the stock exhaust? I have an 82 750 twin that I would like a little more flow and sound out of the exhaust, but the stock exhaust is still in really good shape. Could one just remove the rivets and take the stuff out of the pipe and increase flow and sound coming from it?

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09 Mar 2013 10:05 - 09 Mar 2013 10:06 #576102 by 650ed
Replied by 650ed on topic Modified Stock Exhaust
Nice stock exhaust systems have considerable value; once modified they aren't worth much at all. If yours is in really good shape you may want to consider selling it and buying an aftermarket 2 into one. You could end up breaking even or making a few $$ and having a new exhaust that meets your expectations. Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
Last edit: 09 Mar 2013 10:06 by 650ed.

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09 Mar 2013 10:33 #576106 by mopguy
Replied by mopguy on topic Modified Stock Exhaust
I drilled a couple of holes in mine as it was too quiet and nobody heard me coming, its louder now, but not too loud and definetly people can hear me coming now. You know what the saying is, loud bikes save lives. Good luck.
I have a 1980 Kawasaki KZ750 Ltd. I bought new. I recently managed to get it out of my garage after 28 years and put it on the road again (2010). I feel like a kid all over again. Since I have acquired 3 78 KZ1000 Ltd, 1 1981 KZ1000 Ltd, and another 1980 KZ750 Ltd. Love the LTD's.

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09 Mar 2013 10:57 #576109 by 650ed
Replied by 650ed on topic Modified Stock Exhaust

mopguy wrote: I drilled a couple of holes in mine as it was too quiet and nobody heard me coming, its louder now, but not too loud and definetly people can hear me coming now. You know what the saying is, loud bikes save lives. Good luck.


I've heard that saying, but I've never seen evidence. I would say driving defensively saves lives. ;)
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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09 Mar 2013 11:15 #576111 by johnjones750csr
Replied by johnjones750csr on topic Modified Stock Exhaust
What is behind that riveted cover? is it just a cap with packing behind it?

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09 Mar 2013 11:16 #576112 by johnjones750csr
Replied by johnjones750csr on topic Modified Stock Exhaust
The real question is, if I remove all that stuff and open the exhaust up, is it going to wreak havok on my fuel mixture? I'm still running stock carbs with no modifications to them

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09 Mar 2013 12:06 #576119 by Patton
Replied by Patton on topic Modified Stock Exhaust
1973 Z1
KZ900 LTD
Attachments:

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09 Mar 2013 12:07 - 09 Mar 2013 12:07 #576120 by johnjones750csr
Replied by johnjones750csr on topic Modified Stock Exhaust
LOL

people still use those?
Last edit: 09 Mar 2013 12:07 by johnjones750csr.

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09 Mar 2013 12:51 #576126 by mick z1a
Replied by mick z1a on topic Modified Stock Exhaust
i used to attach playing cards to my bicycle frame with a clothes peg, then when i peddled the spokes clacked against the cards giving a load noise like a motorbike, would that help ;)

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09 Mar 2013 12:52 #576128 by mick z1a
Replied by mick z1a on topic Modified Stock Exhaust
like this

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09 Mar 2013 12:57 - 09 Mar 2013 12:58 #576130 by Mark Wing
Replied by Mark Wing on topic Modified Stock Exhaust
Yes you can modify your stock exhaust to make more power. A race mechanic for Yoshimura played with my stock pipes and re-jetted my carbs and I was taking guys with headers all the time. He was playing with my bike and using the results on a "box stock" race bike. But like Ed said your stock exhaust is worth $$$ to someone.
Mark
Jesus loves you Everyone else thinks your an ***

77 KZ650 C1 with ZX7 forks, GPZ mono rear, wider 18 police wheels and Yoshimura motor.

Yorba Linda Cal.
Last edit: 09 Mar 2013 12:58 by Mark Wing.

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09 Mar 2013 13:27 #576135 by 650ed
Replied by 650ed on topic Modified Stock Exhaust

mick z1a wrote: like this


When I was a kid I used balloons in my spokes. Here's a kid with one balloon, but you should hear what 4 balloons sound like. Actually they kind of sounded like a Harley that was running smoother than most. :laugh:

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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