910 or 920 ? - MVAgusta.net
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post #1 of 12 (permalink) Old 06-19-2013, 06:31 AM Thread Starter
sms
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910 or 920 ?

hi alll, i wana decat my 989r, do i need a 910 or 920 decat to cut and shut ?

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post #2 of 12 (permalink) Old 06-19-2013, 11:42 PM
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Do the headers go straight into the cat or is there a join there ?
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post #3 of 12 (permalink) Old 06-20-2013, 12:06 AM
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Thumbs down welded?

Rich;
my '08 pipes were welded to the cat......i cut it all apart, no deal, the collectors curve into the cat.....where they need to be straight

got head pipes and a catless collector from Carl, then an Arrow Shorty

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'08 910R
'05 F4
ph. 310-414-7247 PST, GMT -8
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post #4 of 12 (permalink) Old 06-21-2013, 10:40 AM Thread Starter
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Quote:
Originally Posted by theknurl View Post
Rich;
my '08 pipes were welded to the cat......i cut it all apart, no deal, the collectors curve into the cat.....where they need to be straight

got head pipes and a catless collector from Carl, then an Arrow Shorty
yeah welded, so just cut and shut?

thanks again guys, will do it this weekend!

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post #5 of 12 (permalink) Old 06-24-2013, 09:50 PM
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Wink ?

Quote:
Originally Posted by sms View Post
yeah welded, so just cut and shut?

thanks again guys, will do it this weekend!

SMS
SMS;
no, not cut and shut what ever that means?

never seen a 920 or 989

the '08 910R head pipes are welded into the Cat, its a big box....
i cut the head pipes out of the box.....they will be major work to connect
you need to remove the curved ends
you need to machine the correct ends and weld them to the ends of the head pipes
then you need a Catless mid pipe to fit your modded headpipes, your stock Shotguns will fit the Catless midpipe

i'm fabricator, been welding for 57 years......

i bought early Brutale headpipes and a Catless collector.......it just bolts on......

you have to pick your battles

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post #6 of 12 (permalink) Old 06-24-2013, 09:59 PM
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Noel, "cut and shut", like when you have two wrecked cars, one front end crash, the other a rear. Cut the good bits of both and weld them together to make one "good" car

So in this case as you describe way too much work to cut the headers off the cat, weld bits on etc, so just buy headers off a 750 Brutale and use them with a suitable mid pipe ( arrows cat eliminator or gutted cat) and your silencer/tail pipe of choice.
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post #7 of 12 (permalink) Old 06-24-2013, 10:51 PM
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look for my post on cutting ,with pictures?
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post #8 of 12 (permalink) Old 06-24-2013, 11:00 PM
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found it,hope it helps http://www.mvagusta.net/forum/showthread.php?t=40220

cheers eddy
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post #9 of 12 (permalink) Old 06-25-2013, 12:10 AM
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Wink

also ,you do need a spring as such.just unscrew the co screw and use a washer ,drill a 1/8 hole on the outer rim ,you can the rotate this to any angle,if you want the spring to be straighter than mine,your choice.

cheers eddy
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post #10 of 12 (permalink) Old 06-25-2013, 12:17 AM
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sms,you need to buy the mid pipe from http://www.motovationusa.com/mvstore...?idproduct=198
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