Drilling stock baffles - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 11 (permalink) Old 07-01-2012, 10:47 PM Thread Starter
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Drilling stock baffles

Okay, so I have a question for the pros

I'm a beginner at working on my bike and don't have spare money laying around for an aftermarket exhaust just yet. I saw that some of you have just drilled a few holes at the outlet of the stock baffles and I was wondering if you all could help me out with how exactly to do it! The bike is way to quiet for me right now and I'm looking for a small mod to perk it up volume wise a bit while i get funds for some Cruzers. Any help is appreciated!

Thanks guys!
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post #2 of 11 (permalink) Old 07-01-2012, 11:35 PM
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Quote:
Originally Posted by jon13700 View Post
Okay, so I have a question for the pros

I'm a beginner at working on my bike and don't have spare money laying around for an aftermarket exhaust just yet. I saw that some of you have just drilled a few holes at the outlet of the stock baffles and I was wondering if you all could help me out with how exactly to do it! The bike is way to quiet for me right now and I'm looking for a small mod to perk it up volume wise a bit while i get funds for some Cruzers. Any help is appreciated!

Thanks guys!
i cut the goats belly off mine then i just ended up buying the cruzers . but basically just take the tips off and go in and drill a few holes into the goats belly( pre muffler ) and put the tips back on

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post #3 of 11 (permalink) Old 07-02-2012, 12:39 AM Thread Starter
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I'm looking more along the lines of just drilling the baffles right inside the tips so I don't have to take anything apart. I've read on the forum most use a 3/8 drill bit and do eight holes. Any pointers on doing this? Will I need to adjust anything after?
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post #4 of 11 (permalink) Old 07-02-2012, 08:39 AM
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nope no adjustments drill away , and if your getting v&n then go head and degoat too

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post #5 of 11 (permalink) Old 07-02-2012, 12:04 PM
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You can also get a piece of rebar, sharpen one end and slide it in the muffler, there is a second baffel that can be knocked out.
I took my muflers off and drilled them out from teh motor side, what a huge difference.
this is what it looked like after I did the rebar.


Then after I wanted more I removed and drilled out the screen.


Removing the goatbelly made the biggest difference though.

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post #6 of 11 (permalink) Old 07-02-2012, 12:05 PM Thread Starter
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Cool deal guys! Thanks for the tips. I know what I'll be doing this afternoon haha!!
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post #7 of 11 (permalink) Old 07-07-2012, 11:52 PM
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I stopped after drilling 4 holes in the baffles as I was satisfied with the sound. There are vids on YouTube about how to do it: http://www.youtube.com/watch?v=dULRV...feature=relmfu Also, check the files here - there are drawbacks to removing the goat's belly.
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post #8 of 11 (permalink) Old 07-08-2012, 12:11 AM
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- there are drawbacks to removing the goat's belly.
..according to whom ? (lemme guess, Jerry ?)...and why, may I ask are there drawbacks unless you live in Cali ?...I debellied and get more power and better fuel milage. I also installed better muffs. But please explain your statement. Inquiring minds want to know.



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post #9 of 11 (permalink) Old 07-09-2012, 01:46 PM
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I pulled the belly and picked up some stock sportster mufflersfor free off of craigslist and knocked the baffle out now my bike sound great.
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post #10 of 11 (permalink) Old 08-20-2012, 10:07 PM
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I also wanted the bike to sound a little throatier as the stock pipes are sooooo quiet! I took out the drill and a 3/8 bit, drilled two holes at 3 & 9 o'clock in one pipe. I started up the bike and compared the pipes. Liking what I heard I drilled two more holes at 6 & 12 o'clock. Then did the same to the other side. The bike is louder for sure but not too loud. The popping on deceleration intensified as well, which to me is pretty cool.
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