Exhaust Question / Problem? - Star Motorcycle Forums: Star Raider, V-Max, V-Star, Road-Star Forum
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post #1 of 13 (permalink) Old 07-16-2016, 12:18 PM Thread Starter
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Exhaust Question / Problem?

The previous owner of my bike punched out the exhaust but yesterday the center piece inside came out of the lower pipe.
The bike still seems to run fine, the air coming from each pipe is almost the same.
Is this something I should be concerned about such as engine damage ?
I attached picture of the top pipe, the bottom and what came out.
Thank you for the help.







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post #2 of 13 (permalink) Old 07-17-2016, 02:46 PM
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Quote:
The bike still seems to run fine, the air coming from each pipe is almost the same.
It may seem like that at idle, but when at higher rpms there will be a slight difference.

Not really going to hurt anything but I believe it would be optimal to knock out the baffles in the other pipe, so both cylinders have the same exhaust restrictions.

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post #3 of 13 (permalink) Old 07-17-2016, 03:00 PM Thread Starter
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That's what I was thinking as well, well It sounds like I won't have to replace the exhaust which makes me feel better.
I've been 200+ miles today so far and no issues but I'll get the other baffle when I get back.

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post #4 of 13 (permalink) Old 07-18-2016, 07:49 AM
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Curious? Would not knocking the baffles out of both pipes make the exhaust extremely loud? Not sure how it sounds now or before. But removing the two baffles would seem to increase the sound and also would it not increase the exterior temperature of the muffler? Just curious and still learning.. Thanks!

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post #5 of 13 (permalink) Old 07-18-2016, 08:21 AM Thread Starter
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Originally Posted by merc669 View Post
Curious? Would not knocking the baffles out of both pipes make the exhaust extremely loud? Not sure how it sounds now or before. But removing the two baffles would seem to increase the sound and also would it not increase the exterior temperature of the muffler? Just curious and still learning.. Thanks!

Bill
It did make it louder but not a big change from the baffles already being punched around the outside.
I don't know about the heat either.


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post #6 of 13 (permalink) Old 07-18-2016, 08:58 AM
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remove the other pipe, bang a broom stick or something similar into it and rock it around to break the weld then chop around the hole with a long screwdriver so the weld can pass through the hole

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post #7 of 13 (permalink) Old 07-18-2016, 09:48 AM
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I pulled both those baffles out after a few months, it's still quiet at idle but slightly louder on acceleration. What I don't get is how the baffle knocking around inside the pipe didn't drive you up the wall? Also I had to use a long screwdriver and hammer to break down the back wall enough to get the flange out.

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post #8 of 13 (permalink) Old 07-18-2016, 10:24 AM Thread Starter
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Originally Posted by Vrider06 View Post
I pulled both those baffles out after a few months, it's still quiet at idle but slightly louder on acceleration. What I don't get is how the baffle knocking around inside the pipe didn't drive you up the wall? Also I had to use a long screwdriver and hammer to break down the back wall enough to get the flange out.
It was still connected in the back so it never knocked around until it broke, then it was obvious.


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post #9 of 13 (permalink) Old 07-18-2016, 12:14 PM Thread Starter
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Originally Posted by pauli466 View Post
remove the other pipe, bang a broom stick or something similar into it and rock it around to break the weld then chop around the hole with a long screwdriver so the weld can pass through the hole
I didn't think about a broom handle, good idea

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post #10 of 13 (permalink) Old 07-18-2016, 07:28 PM
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Originally Posted by BP03 View Post
It may seem like that at idle, but when at higher rpms there will be a slight difference.

Not really going to hurt anything but I believe it would be optimal to knock out the baffles in the other pipe, so both cylinders have the same exhaust restrictions.
i had my buddy at a machine shop run a cutter into the pipe until about 1/4 of inch was sticking out of that second baffle, then i painted the inside with black header paint, looks better than a chopped out hole imop, i also used a cut off wheel to clean up ragged edges on the final baffle cut, but that's just me being fussy and liking a clean look

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Last edited by pauli466; 07-18-2016 at 07:34 PM.
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