Complete De-baffling of VN 900 Exhaust - Page 7

900Class · 11-04-2008

Yeah, I was talking about the rivets in the end cover. Seems a lot simpler to drill them out rather than taking the hole saw to it. I'll start with that then mmmmiiight drill the baffle ring...I can see it happening, but don't know if I'll need to hear it.

Next up: Fi2000, then a Scootworks front pulley! Thanks for the advice...this is great!

bobkat · 11-04-2008

I used a acetylene torch to cut the end plate out, but I wouldn't recommend it unless you are an experienced welder. I put wet towels on the outside of the pipe to keep the outside of the pipe from turning blue. I left a little bit of the end plate in there but I don't care.

900Class · 11-05-2008

Ooh, don't think I'll try that. My neighbors tend to like having their houses in one piece, and not aflame! Thanks for the suggestion, though.

HoopleHead · 11-06-2008

yeah just read predfan's info carefully. The delphi instructions go to unnecessary trouble cutting the flange in there when all you need to do is bend it out of the way.

900Class · 11-07-2008

Cool...that's good to know. It seemed to me there had to be another way to get around that, and now I know. I wasn't too excited by the prospect of sticking a reciprocating saw in there.

One question regarding pilot holes: it means drilling a smaller hole to guide the drill when you drill the larger hole in the baffle cap, right? Remember, I've the skills of a small soap dish where mechanics are concerned. But even a soap dish can learn, eh?

I think I'll tackle this over the weekend. I'll let you know how it goes.

900Class · 11-08-2008

OK, I got it all done. I went as far as drilling 8 holes in the baffle cap as a start, and it was relatively painless procedure, except for cutting the pipe with the reciprocating saw. That went OK, though I dinged the pipe ever so slightly. I'll need to watch it over the winter. Drilling the cap was easy, and so far it sounds great! Might want to completely debaffle later on, but for now it's all good. It only took about an hour or so. Tomorrow I'll scuff and paint the inside of the pipes to improve the look and make the cap look a little more tidy as well. Now it sounds all nice and throaty, the way I imagined it should. Seems a little more perky too, but that might be psychological. Either way, I'll take it!

Thanks for the great advice!

coach51 · 11-10-2008

I just did the complete debaffle this weekend and I LOOOOVE the new deep throaty sound. I was saving for the V&H but I like the debaffled sound so much that I think that money will be better spent on some new bling!!! Thanks for all the write ups on doing the debaffle, you guys saved me a lot of money.

learn2lean · 11-12-2008

I have the eight holes drilled out on both pipes but need to go further. If I did the debaffle, I imagine I'd have to do both pipes for equal back pressure. I'm dreading doing the final step and going, "oh sh#* that's way too loud."

HoopleHead · 11-12-2008

careful, you'll have predfan scoffing at you too!

You can rebaffle a slight amount...
http://www.kawasakimotorcycle.org/fo...900-pipes.html

learn2lean · 11-12-2008

Quote:

Originally Posted by HoopleHead

careful, you'll have predfan scoffing at you too!

You can rebaffle a slight amount...
http://www.kawasakimotorcycle.org/fo...900-pipes.html

After reading that it's like I have to do the debaffle.

coach51 · 11-12-2008

Quote:

Originally Posted by learn2lean

I have the eight holes drilled out on both pipes but need to go further. If I did the debaffle, I imagine I'd have to do both pipes for equal back pressure. I'm dreading doing the final step and going, "oh sh#* that's way too loud."

You will not regret the full debaffle JMO. I love the sound

predfan2001 · 11-12-2008

Quote:

Originally Posted by HoopleHead

careful, you'll have predfan scoffing at you too!

You can rebaffle a slight amount...
http://www.kawasakimotorcycle.org/fo...900-pipes.html

Lol...I've only heard like one person say it's too loud I think....I just can't remember who it was??

HoopleHead · 11-12-2008

Should I talk louder for ya?

HoopleHead · 11-12-2008

hehe your speaker cartoon reminds me of the time I foolishly bought Blue Oyster Cult tickets for the front row.

Seriously though, I'd like to get side by side with someone who's fully unbaffled to see if mine actually is any quieter... probably all in my head.

predfan2001 · 11-12-2008

I remember seeing that saying on a KISS concert shirt years ago....I still get a kick out it!

learn2lean · 11-16-2008

I started drilling on my first pipe with the 3" hole saw around 6:00 pm. This process is long considering that I have to let the drill cool down after every 10 min. of use. This is a 18-24 beer job. Hope it's worth it.

predfan2001 · 11-16-2008

Yep. It is hard on the drill. I thought I smoked mine but it still works ok.

learn2lean · 11-17-2008

Quote:

Originally Posted by coach51

You will not regret the full debaffle JMO. I love the sound

Done deal. I only rode around for an hour but so far so good. It's difficult to judge how much louder they are since the sound is directed behind the rider. When I started it up out in the open for the first time I thought there was hardly any difference at all. The first overpass I went under....- they are louder for sure.

Off topic but if anyone needs stock baffles from a 900 classic I'll give you a good deal.

vulcaneer · 12-07-2008

Did mine today, Sounds Awesome, not to loud. Took about an hour total, Very Easy. I'm gonna try to post a sound clip soon.

Hacker · 12-15-2008

Quote:

Originally Posted by Mad Man Muntz

Well, I made a bad decision by letting the Roadburner Tech people talk me into the Double Eagles Blackhawk exhaust that was supposed to have a deep rumble and not have the straight pipe bark. Really hurts your ears with ear plugs and full face helmet. They were less than truthful in their description! Also purchased the Power Commander III. Since installing the P C , I noticed that the engine turns over a long time before starting , which PC tech said to hit the starter button as soon as you turn on the switch. That helped a little, but I am far from satisfied. I wish I had read this thread first and coul have saved a bunch. If I go back to the original pipes and remove the baffles, what settings would I need to use if I leave the PC installed ? Any help would be greatly appreciated !

Silver 2006 Vulcan 900 Classic
Loaded with accessories.
Hope to post a pic soon

Have you checked with Smartpartz.com - Hard Kore Baffles to see if they have the quiet baffles for the Roadburners?

11-04-2008	#122 (permalink)
bobkat Rockabilly biker BTK Expert Join Date: Jul 2008 Location: Indiana Posts: 351	I used a acetylene torch to cut the end plate out, but I wouldn't recommend it unless you are an experienced welder. I put wet towels on the outside of the pipe to keep the outside of the pipe from turning blue. I left a little bit of the end plate in there but I don't care. __________________ "My yard is my flag" Hank Hill

11-06-2008	#124 (permalink)
HoopleHead Ed Scott - Old-Time Biker Forum Supporter Join Date: Aug 2008 Location: Utopia, TX Posts: 1,147	yeah just read predfan's info carefully. The delphi instructions go to unnecessary trouble cutting the flange in there when all you need to do is bend it out of the way. __________________ Has it ever occurred to you how long our nation would last if NOBODY supported our troops? My Photos

11-12-2008	#129 (permalink)
HoopleHead Ed Scott - Old-Time Biker Forum Supporter Join Date: Aug 2008 Location: Utopia, TX Posts: 1,147	careful, you'll have predfan scoffing at you too! You can rebaffle a slight amount... http://www.kawasakimotorcycle.org/fo...900-pipes.html __________________ Has it ever occurred to you how long our nation would last if NOBODY supported our troops? My Photos

11-12-2008	#133 (permalink)
HoopleHead Ed Scott - Old-Time Biker Forum Supporter Join Date: Aug 2008 Location: Utopia, TX Posts: 1,147	Should I talk louder for ya? __________________ Has it ever occurred to you how long our nation would last if NOBODY supported our troops? My Photos

11-12-2008	#134 (permalink)
HoopleHead Ed Scott - Old-Time Biker Forum Supporter Join Date: Aug 2008 Location: Utopia, TX Posts: 1,147	hehe your speaker cartoon reminds me of the time I foolishly bought Blue Oyster Cult tickets for the front row. Seriously though, I'd like to get side by side with someone who's fully unbaffled to see if mine actually is any quieter... probably all in my head. __________________ Has it ever occurred to you how long our nation would last if NOBODY supported our troops? My Photos

11-04-2008	#121 (permalink)
900Class Newbie Join Date: Oct 2006 Location: Nashville Posts: 8	Yeah, I was talking about the rivets in the end cover. Seems a lot simpler to drill them out rather than taking the hole saw to it. I'll start with that then mmmmiiight drill the baffle ring...I can see it happening, but don't know if I'll need to hear it. Next up: Fi2000, then a Scootworks front pulley! Thanks for the advice...this is great!

11-05-2008	#123 (permalink)
900Class Newbie Join Date: Oct 2006 Location: Nashville Posts: 8	Ooh, don't think I'll try that. My neighbors tend to like having their houses in one piece, and not aflame! Thanks for the suggestion, though.

11-07-2008	#125 (permalink)
900Class Newbie Join Date: Oct 2006 Location: Nashville Posts: 8	Cool...that's good to know. It seemed to me there had to be another way to get around that, and now I know. I wasn't too excited by the prospect of sticking a reciprocating saw in there. One question regarding pilot holes: it means drilling a smaller hole to guide the drill when you drill the larger hole in the baffle cap, right? Remember, I've the skills of a small soap dish where mechanics are concerned. But even a soap dish can learn, eh? I think I'll tackle this over the weekend. I'll let you know how it goes.

11-08-2008	#126 (permalink)
900Class Newbie Join Date: Oct 2006 Location: Nashville Posts: 8	OK, I got it all done. I went as far as drilling 8 holes in the baffle cap as a start, and it was relatively painless procedure, except for cutting the pipe with the reciprocating saw. That went OK, though I dinged the pipe ever so slightly. I'll need to watch it over the winter. Drilling the cap was easy, and so far it sounds great! Might want to completely debaffle later on, but for now it's all good. It only took about an hour or so. Tomorrow I'll scuff and paint the inside of the pipes to improve the look and make the cap look a little more tidy as well. Now it sounds all nice and throaty, the way I imagined it should. Seems a little more perky too, but that might be psychological. Either way, I'll take it! Thanks for the great advice!

11-10-2008	#127 (permalink)
coach51 Finally Got Into First Gear BTK Beginner Join Date: Jul 2008 Location: Dothan, Al Posts: 72	I just did the complete debaffle this weekend and I LOOOOVE the new deep throaty sound. I was saving for the V&H but I like the debaffled sound so much that I think that money will be better spent on some new bling!!! Thanks for all the write ups on doing the debaffle, you guys saved me a lot of money.

11-12-2008	#128 (permalink)
learn2lean Finally Got Into First Gear BTK Beginner Join Date: Apr 2008 Location: Vallejo CA Posts: 73	I have the eight holes drilled out on both pipes but need to go further. If I did the debaffle, I imagine I'd have to do both pipes for equal back pressure. I'm dreading doing the final step and going, "oh sh#* that's way too loud."

11-12-2008	#135 (permalink)
predfan2001 Waiting for happy hour BTK Expert Join Date: Oct 2007 Location: Clarksville Tn Posts: 2,644	I remember seeing that saying on a KISS concert shirt years ago....I still get a kick out it! __________________ 2007 Vulcan 900 Classic'ish Custom LT ??? (Yeah it's all mixed up!)

11-16-2008	#136 (permalink)
learn2lean Finally Got Into First Gear BTK Beginner Join Date: Apr 2008 Location: Vallejo CA Posts: 73	I started drilling on my first pipe with the 3" hole saw around 6:00 pm. This process is long considering that I have to let the drill cool down after every 10 min. of use. This is a 18-24 beer job. Hope it's worth it.

11-16-2008	#137 (permalink)
predfan2001 Waiting for happy hour BTK Expert Join Date: Oct 2007 Location: Clarksville Tn Posts: 2,644	Yep. It is hard on the drill. I thought I smoked mine but it still works ok. __________________ 2007 Vulcan 900 Classic'ish Custom LT ??? (Yeah it's all mixed up!)

12-07-2008	#139 (permalink)
vulcaneer Foil Inspector BTK Beginner Join Date: Dec 2008 Location: Jersey - The bend over and take it state! Posts: 115	Did mine today, Sounds Awesome, not to loud. Took about an hour total, Very Easy. I'm gonna try to post a sound clip soon.

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