Exhaust leak! - MVAgusta.net
 
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post #1 of 8 (permalink) Old 11-12-2007, 06:02 PM Thread Starter
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Exhaust leak!

For the mechanics on this forum...

I just installed my Quat-D mid-pipe and I'm left with a question!

Should I call in the national guard if I notice an exhaust leak?

The front joint of the mid-pipe (joining the headers) is pushing some air out.

Is this a serious concern or should I just fugettaboutit! Is there some power loss or does it sacrifice running effeciency?

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post #2 of 8 (permalink) Old 11-12-2007, 07:33 PM
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is it where the two pipes connect or a falure in a weld. If its where they connect i have no idea how to fix that. If its where there is a weld then you can just have it welded for a few bucks...thats what i did

before


after

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post #3 of 8 (permalink) Old 11-12-2007, 09:14 PM Thread Starter
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My leak is where the mid-pipe connects to the headers! Not on a weld.

Good weld job though.

CURRENT RIDE
'10 Ducati Streetfighter S

FORMER RIDES
'08 Ducati Hypermotard S
'06 MV Agusta Brutale 910 S
'01 Ducati 996
'05 Ducati Monster S4R
'04 Yamaha R1
'01 Yamaha R1
'99 Ducati 748
'99 Yamaha R6
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post #4 of 8 (permalink) Old 11-13-2007, 08:59 AM
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have you tried hi-temp silicone seal? Its what we always used on the 2-stroke pipes connections. 2-stroke pipes don't get as hot as 4-stroke pipes, but, its suppose to be good up to 850 degrees.
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post #5 of 8 (permalink) Old 11-13-2007, 09:06 AM
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look for some wood stove sealant. That stuff is good to like 1200 degrees or so i think

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post #6 of 8 (permalink) Old 11-13-2007, 05:29 PM Thread Starter
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Thanks guys!

But am I losing a lot by allowing a little bit of exhaust to escape prior to exiting the mufflers? Is it really that vital?

CURRENT RIDE
'10 Ducati Streetfighter S

FORMER RIDES
'08 Ducati Hypermotard S
'06 MV Agusta Brutale 910 S
'01 Ducati 996
'05 Ducati Monster S4R
'04 Yamaha R1
'01 Yamaha R1
'99 Ducati 748
'99 Yamaha R6
'92 Honda CBR600 F2
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post #7 of 8 (permalink) Old 11-13-2007, 06:15 PM
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I doubt you're losing much performance, but, never did care for the sound of leaking exhaust... reminds me of an old beater.
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post #8 of 8 (permalink) Old 11-13-2007, 08:00 PM
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Might also contribute to afterfire pops and bangs in the exhaust when trailing throttle or under decel.

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