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Discussion Starter #1
Hi,

I just reached 200 miles and my Duc dealer called said my accessories are ready for pick up. I purchased new FBF slip-ons and some other non-performance related items. I asked one of the mechanics if I should wait until the 600-mile check to install the slip-ons and he said I should go ahead and install them because it makes no difference. Someone on the list suggested I wait until after the 600-mile check up before installing any mods, so the bike has more run-in/break-in time.

I would like to get some other opinions as to when I should install the new slip-ons. Does it make a difference when I install the after market slip-ons?

Regards,
AC
 
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Install before you take it in because if they need to retune the engine to account for the exhaust you wont have to bring it in again. Just don't run it real hard if you notice any adverse changes in performance, you could damage the engine, although not likely.
 
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if you're somewhat mechanically inclined, you should also open the airbox and change the jets. once you've done that and have run it for a few miles. by then it will be time for the 600 mile service. at that time, your shop will have toto fine tune you bike anyways, so you might as well have it done without having you shelling out more cash.

of course, you could always wait until the 6000 mile service...
 

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The M800 is fuel injection (i.e., no jets).

The only drawback I can see to installing the pipes now is that it will be harder to keep the engine speed down during the rest of break-in. You'll be wanting to hear the wonderful Ducati sound at speed. ;)

I remember meeting a guy a few years ago who did a bunch of modifications to the intake and exhaust before he even took possession of his Monster from the dealer. I was wondering why anyone would do that to a new bike, but now I understand. I wouldn't hesitate to make the changes right away. And as noted above, just installing pipes doesn't really change anything but looks and sound.
 

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Discussion Starter #5
I installed my new slip-ons last night and when I started the bike I was amazed at what I heard. That super deep throaty sound. That
 

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The weight difference between the stock and aftermarket slip-ons is sick. Do they put lead in those stock cans?
I've seen what's inside both stock cans and the Ducati Performance carbon slipons. The stock pipes have a steel shell inside the aluminum cover and the pipes inside there that route the exhaust gasses between the three chambers are pretty heavy duty as well, then you have the metal in between the three chambers. I'm guessing that the stock exhaust pipes are designed to last a long time in a harsh environment.

I find it interesting how the exhaust is routed. If you number the chambers 1 to 3 with 1 on the engine side and 3 at the back, the exhaust comes in to 1, goes through a tube to 3, goes back into a tube on the other side of 3 and back to 2, then through a tube that exits the can. My modified pipes have the tubes in chamber 3 cut away but leaves the rest in there. Sounds nice like a Ducati, but is no longer loud enough to hurt my ears when riding it.

The slipons have one perforated tube down the middle and the outer shell and that's it. The packing might add a pound or so to the overall weight. I think last time I measured, the stock cans were around 19 pounds for the set and the carbon slipons were about 11 pounds.
 
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