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Jraice
Posted on Tuesday, June 01, 2010 - 06:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Just took off my exhaust to send it to Kevin at Drummer for a repair...

Is it okay to ride around the neighborhood a bit like this? Is it okay to "get on it"?

Just want to experience an open exhaust for 10 minutes : p.

Thanks
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Rocketsprink
Posted on Tuesday, June 01, 2010 - 06:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I wouldn't.
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Im_joedirt
Posted on Tuesday, June 01, 2010 - 08:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

why not?
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Greg_e
Posted on Tuesday, June 01, 2010 - 08:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

No support for the headers, would be easy to shake them and break the studs.

Then there is the fire shooting out of the header right in front of the engine. Could burn clutch cable.

And of course the noise.
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Im_joedirt
Posted on Tuesday, June 01, 2010 - 09:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

That would be the highlight!(Noise & flames)
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Lv_ss
Posted on Tuesday, June 01, 2010 - 09:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

With no back pressure at all I'd be concerned about damaging the top end. But then again, lots of people run sportsters with straight pipes all the time. Just won't run right.
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Ourdee
Posted on Tuesday, June 01, 2010 - 10:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I don't know for sure but I'm thinking it will run lean and may harm the exhaust valves. I would wait. And if....When you fire it up in the garage with straight headers wear some ear plugs. It will hurt you.
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Forerunner
Posted on Tuesday, June 01, 2010 - 11:17 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Rode my XB12Ss for a couple of weeks with just the header while the slip-on was getting ceramic coated.

Sounded good to me, bike still runs fine thousands of miles later. I would be very surprised if it caused any internal damage.

YMMV,
Nels
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Panhead_dan
Posted on Wednesday, June 02, 2010 - 01:03 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I did it.



IT WAS BAD ASS!!!!

I didn't run it very long or far and it ran pretty crappy but still



IT WAS BAD ASS!!!!
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Jraice
Posted on Wednesday, June 02, 2010 - 01:35 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Yeah I'm just talking 5 minutes or so just to hear it, started it up in the garage and gave it a blip or two. The sound was insane.
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Forerunner
Posted on Wednesday, June 02, 2010 - 08:33 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

You should try it under load(i.e. while riding) over 3k. : )

And the engine braking reminds me of the old IMSA cars...

<sigh> good times.

YMMV,
Nels
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Boliver
Posted on Wednesday, June 02, 2010 - 11:43 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Might as well never put it back on.Just run it without.I'm sure it won't hurt anything.The factory just puts exhaust on there for looks......
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Forerunner
Posted on Wednesday, June 02, 2010 - 11:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

IME, the factory muffler is in place to conform with noise emissions requirements for road going vehicles and to serve as a jacking point for the motorcycle.

Also, there are probably some who would find the noise of an uncapped XB less than euphonious or too loud.

While some here may have seen engine damage as a direct result of running without a muffler(citation please or it's just conjecture) I have run my bike without the muffler and seen no damage.

Just another data point.

And as always YMMV,
Nels
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Brightbuell
Posted on Wednesday, June 02, 2010 - 12:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

You sound like my sister boliver.
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Boliver
Posted on Wednesday, June 02, 2010 - 12:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Brightbuell,
Is that all you got? Your first post in this thread and thats all you come up with?Well God Bless you.We all know you are doing the best you can.I have way more sense than to listen to my sister but I am smarter than the average Bueller.LOL
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Greg_e
Posted on Wednesday, June 02, 2010 - 12:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I think you should still support the end of the header and really should pipe the exhaust to someplace a little more out of the way. A proper tune to keep it from running too lean would be a good idea. Not much difference between a Jardine and a straight pipe except the Jardine attempts to quiet things down a little if the gasses have a chance to expand into the packing.
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Nillaice
Posted on Wednesday, June 02, 2010 - 05:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

my buddy cracked his pipes cuz his muffler/header clamp was loose. just sayin'
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Jraice
Posted on Wednesday, June 02, 2010 - 06:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Thanks guys I just wanted to ride around the block to hear it rour... sounds insane in the garage.

Just sending in my Drummer, has a loose baffle or something and I have been getting an occasional lack of power down low, assuming its because of said loose piece. Either way I want it fixed and Kevin said he will take care of it, hence why I don't have my exhaust on now.

It will go back on.
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Forerunner
Posted on Wednesday, June 02, 2010 - 06:31 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Yes, I could see how a loose exhaust clamp would allow the heavy muffler to move around and place more stress on the headers leading to a crack.

Although additional support as Greg advocates isn't a bad idea, the headers are incredibly light and I never felt the header bolts were ever stressed more than with the muffler.

YMMV,
Nels
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Brightbuell
Posted on Thursday, June 03, 2010 - 12:40 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

OK, if you ride it please pose a vid.
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Jraice
Posted on Tuesday, June 08, 2010 - 10:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Sorry no vid but took it for a spin... just a few miles, a few very small wheelies (foot or two in the air), some roll ons, sounds awesome.

The best is a quick blip style downshift into 1st or 2nd, pop pop vroooommm pop pop poooop. Very cool sounding...

In the garage until the rattling Drummer is repaired but it was a fun experience : ).
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Panhead_dan
Posted on Tuesday, June 08, 2010 - 11:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I tolya it was badass.
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