Hi all,

I am considering a mm 2 in 1 exhaust to give back some ground clearance to my lowered xtr. Is there anyone who has done this mod and regretted it? It is very pricey when delivered to oz.

Is the weight saving really that noticeable?

Thanks

I'll be interested to hear what people say. Considering the system myself but i'm concerened about the fit of the can on the new model with the cone end. Looks like it almost fouls the indicator and have seen some guys even use gaffa tape to stop the indicator melt. small issue but one i'd rather not have to deal with after spending that cash.

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�Fail often so you can succeed sooner�

I have purchased the MM2-1 system, I'm eagerly awaiting it's arrival so I would like to be able to offer an oppinion however it may be another couple of weeks before I can.

There was a large run on sales of the system just before I ordered mine a few weeks ago, there is a delay as MM awaits new systems to be manufactured.

I look forward to being able to comment and supply some photos soon!

Thanks Nutt . . Look forward to hearing how you find it. Good luck.

I dont have a MM 2 into 1 but have heard that it does give a far bit more ground clearance, slightly more grunt to the engine down low, with no real difference up high in the revs.

The only downsides ive heard from it is ��� and as its a 2 into 1 the rear brake resvoir needs to be moved out of the way and also the exhaust does get very hard and can burn trousers or the RHS leg if your not carefull.

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Plough on

i heard you can lose 10kg and gain 5cm at least.
will be the first mod on my bike if i buy an xt660

As I've posted on here before,I bought one a while back off ebay and made the mistake of not doing my homework as early versions made for 04/5/6 didn't a lamba hole!! mines an 08!!!,so it resides in my garage under the work bench.

But there sure ain't a lot to e'm,heaps more ground clearance and just the one can,if you buy a kit it comes with a bracket for the rear reservoir.

this couple at http://motoventurers.com have done 30k km on theirs. xt660r is such a nice bike for touring with nice light weight

i got my new system yesterday and installed it directly.

the looks and quality is nice! better then it look at their homepage.
the can for example has now a cone at the end wich make it look realy nice.
the heatguard for your shoes is made out of carbon and looks nice too. much better then the metall thing they show at their homepage (maybe they should do an update at the page )

the can is quite heavy with ca2,6kg (you could save something there with one in carbon i guess) and the overall weight is around 4,7kg...that is a saving ca 8-9kg to the original system

to install the system is not that big fun.
the insidenut in the front for the left side pipe is coverred by the pipe itsself so it was a mess to thighten the nut.
for the brake reservoir you get an extra part so you can move it and that works really easy and fine.
but the big mess is att the back. the last part off the pipe were you put the can on is not "straight" so it is real hard to get the can straight Points to the middle of the bike).
a bikeshop in my town told me that they had the same problem on 2 systems so i think that MM wants to make the bike so tight that their boxes and stauff work too but they made it a bit to thight.
after a while off work i got it on but it is not perfekt.

the bike has now ca 5-8cm more ground clearance and the bike looks a lot nice as it is much more "clean" and looks "open" wich i like.
more like a real supermotard or cross should look like.

the system sounds quite loud. i do not know how loud it is but you do not wanna drive around at home to much if you like the people around
now every body is looking at you!
but for my taste it is just right. sounds quite nice i think.

the bike has more power in the bottem now. you can really feel the difference.
with 14/45 gearing, this system and the original aircleaner (just without snorkel) i can go down to 68km/h in fith gear and it feals ok.

i can feel a difference with heat as it is not just at your right foot, the system is a lot higher and on the side so the engine is not covering it. but it is absolutly okej.
for the right foot, i always ride with my pants in the boots and i do not touch the system. but if you have real loose trousers then there could be a problem.

for the weight wich i was mostly looking for. you can feel it on ways you know. the bike feels better...not extremly but it is better.
as more i ride as more i noticed the diffrence

i do not regrett that i bought the system!

Hey FUCHS,did you have any issues with the cone outlet position and the rear indicator?

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�Fail often so you can succeed sooner�