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Author Message   Js_buell Posted on Monday, June 20, 2005 - 04:42 pm:        Does the race kit pipe on the xb12 create that lost of torque under 3500 rpm compare to the original pipe?   Kds1 Posted on Monday, June 20, 2005 - 09:31 pm:        Yeh it's pretty low....get a Drummer... Kevin www.kdfab.com check out the link for the dyno sheet on the 12 www.norrishp.com/dynos.htm   Onebuell Posted on Tuesday, June 21, 2005 - 10:38 am:        I heard from shop guys that the race kit is ok for the 9's but will sputter and pop on the 12's. remember the race kit was out when the 9's were out. u also lose ponies with the race pipe... thats from a Buell schooled shop guy   Lucky Posted on Tuesday, June 21, 2005 - 11:00 am:        do you loose hp with a race pipe on the 9 also? i got mine installed during the breakin so I didnt get a chance to notice.   Glitch Posted on Tuesday, June 21, 2005 - 11:05 am:        You may want to ask New12r about not losing HP. After I got a new pipe I gave him my race pipe. I have a nine, he has a twelve. I'd like to see you try and take that pipe from him.   Jedwele Posted on Tuesday, June 21, 2005 - 11:29 am:          Jedwele Posted on Tuesday, June 21, 2005 - 11:29 am:        This is on a 9 but as you can see you loose some bottom end , and gain HP up top   Glitch Posted on Tuesday, June 21, 2005 - 12:12 pm:        Jedwele, sin't that what a race pipe is supposed to do?   Jedwele Posted on Tuesday, June 21, 2005 - 12:24 pm:        Yes. I just wanted to post that since some people thought that you lost horsepower up top also.   Phantom5oh Posted on Tuesday, June 21, 2005 - 04:49 pm:        I'm curious, where did this dyno graph come from? Is it just a pipe change, or does it include the filter and race ECM?   Glitch Posted on Tuesday, June 21, 2005 - 05:36 pm:        Jedwele That's the official Buell dyno for the Race kit. ECM, filter, and pipe. I had a dyno run with that config, the curves are exactly the same as above, the numbers however were a little off I made 80HP & 60ft/lbs IIRC.   Jedwele Posted on Tuesday, June 21, 2005 - 06:53 pm:        I should of mentioned it is the Filter , ecm , and pipe, Glitch is correct this is off the buell website.   Blake Posted on Tuesday, June 21, 2005 - 07:22 pm:        Looks to me like the XB9 race kit sacrifices some midrange from 4,000 to 4,800 rpm for whopping better low end and top end. Good grief, at 3,000 rpm you get a boost of around 15% more HP with the race kit.   Phantom5oh Posted on Wednesday, June 22, 2005 - 08:43 am:        Where on the Buell website are the dyno sheets? Do they have one for a stock 12 vs the race kit 12?   Rageonthedl Posted on Wednesday, June 22, 2005 - 09:52 am:        here is my 12 with and with out the race kit (done last year, did not have heads on yet)

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