Under seat exhaust?

Started by DucNaked, December 16, 2009, 05:44:23 PM

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ute

very nice work .. i like the "monza" style tip

so you are doing all popular models ..ie  s2r s4r 800/900/1000 etc


does it sound ..harly like or say arrow like or termi ...how bout a video to hear sound

price point ???

hcomp

#31
As far as 2 up, we have tested it. No problems so far,  I would however tighten the preload on the spring if you do ride two up to be on the safe side. I run very little preload on my spring about .8" of thread showing.  We are looking at doing the Desmosedici style GP exhaust, just time is the factor...Yes we do have baffles in our exhaust and they are very loud without them.  Price point is $850.00 for the twintubes which includes new midpipe and titanium hardware.  There are three different finish options: Polished-$60, Ceramic Black-$40 and Brushed-$Free!  The Rodan "Box" is $950 for the stainless and $970 for ceramic coated black.

ride by:
H competition 696 Ducati Ride By
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NAKID

2005 S2R800
2006 S2R1000
2015 Monster 821

ute

hmmmmmmm not bad

any chance you could have them a little deeper sound

hcomp

#34
Don't worry NAKID, that is not me riding the bike. That is Darrell our resident motorcycle racer...  Yes we can make a deeper sound, it is all how you pack the mufflers.  We use a new ceramic muffler packing that has a lifetime warranty. So the advantage over the typical fiberglass is, you never have to service it and will last longer than the bike will.

And now to finally put the wheel clearance issue to bed with pics....Yes you can ride two up with it too.  Our mechanical engineer did the calculations to make sure the exhaust did not hit the wheel.  I knew he would design it right so we actually put it to the test. We took the spring completely off the shock, remounted the shock and completely compressed the shock (and even compressed the bump rubber) with the exhaust mounted... here is the result:

Compressed Shock and Bump Rubber:


Twin Pipes with no rear hugger:


Twin Pipes with Hugger and 1/8" of clearance


Rodan box with hugger clearance 1/2"


So there is the definitive proof...Speeddog you owe someone a dollar.
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scott_araujo


Speeddog

Quote from: ryanracer on December 21, 2009, 05:08:52 PM
~~~snip~~~
So there is the definitive proof...Speeddog you owe someone a dollar.

Only if the chrome tipped unit in the OP's pics clears.  ;D

Glad you guys did your homework!  [beer]
- - - - - Valley Desmo Service - - - - -
Reseda, CA

(951) 640-8908


~~~ "We've rearranged the deck chairs, refilled the champagne glasses, and the band sounds great. This is fine." - Alberto Puig ~~~

hcomp

#37
Quote from: Speeddog on December 21, 2009, 06:45:04 PM
Only if the chrome tipped unit in the OP's pics clears.  ;D

Glad you guys did your homework!  [beer]

Gosh dang it! Speeddog..Do you have any idea how hard it is to get that damn rear spring off.  Friggen Sachs! My next project: Make a rear shock that you don't have to compress the spring to remove the retainer.  So I am ready with my exhaust to go clear some triples....James Stewart better watch out... I can see it now Ducati - 2010 AMA Supercross Constructors Champion.
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Speeddog

Penske already does shocks that way.  :)

You don't have to pull the spring off just for me, that's way more than a dollar's work.  [laugh]
- - - - - Valley Desmo Service - - - - -
Reseda, CA

(951) 640-8908


~~~ "We've rearranged the deck chairs, refilled the champagne glasses, and the band sounds great. This is fine." - Alberto Puig ~~~

duc996

Hat's off to you guys,that's some hardwork you put in it. [thumbsup]
"All we ask is to be let alone"
       "Monster S4r"
       "KTM SMC 690"

sbrguy

damn you have to do a d16 style exhauset with one on the bottom like the standard boomtubes and another routed up under the tail, that would be a sweet look especially if you kept the stock header config from the horizontal cylinder and still routed it like the lower boom tube...

got a question with the normal boom tubes with baffles can you get it down to the level of termi with baffles or just slightly louder?

Bartjes

Some nice work you guys are doing there!

Would it be hard work to make it fit on a S2R 800 ?

Raux

Quote from: ryanracer on December 21, 2009, 05:08:52 PM
Don't worry NAKID, that is not me riding the bike. That is Darrell our resident motorcycle racer...  Yes we can make a deeper sound, it is all how you pack the mufflers.  We use a new ceramic muffler packing that has a lifetime warranty. So the advantage over the typical fiberglass is, you never have to service it and will last longer than the bike will.

And now to finally put the wheel clearance issue to bed with pics....Yes you can ride two up with it too.  Our mechanical engineer did the calculations to make sure the exhaust did not hit the wheel.  I knew he would design it right so we actually put it to the test. We took the spring completely off the shock, remounted the shock and completely compressed the shock (and even compressed the bump rubber) with the exhaust mounted... here is the result:

Compressed Shock and Bump Rubber:


Twin Pipes with no rear hugger:


Twin Pipes with Hugger and 1/8" of clearance


Rodan box with hugger clearance 1/2"


So there is the definitive proof...Speeddog you owe someone a dollar.

thanks for the clearance pics, now i know my setup will work

hcomp

No problem Raux, can't wait to see what your scheming on!!

Anyway,

Here is the finished product of the the new stainless mid-pipe and the dual tip with the rear half polished....(Michelle should be excited now...). The mid-pipe flows a lot better with the lines of the bike now....At least in my honest opinion....





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DoWorkSon

Those look awesome!

Any chance of pics of the finished Rodan box???

I placed my pre-order and would love to see some pics of both before production starts so I don't make the wrong decision
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