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Author Message   Buelluly Posted on Monday, July 05, 2010 - 04:54 pm:        Local hd dealer says that I don't have a problem.They say these symptoms are normal. I got a hesitation from 1500 to 3400 rpm,also on deceleration it pops back through the exhaust,it did this with the factory muffler and the Jardine muffler the hd dealer installed.Can someone tell me if this is normal?   Hughesatron Posted on Monday, July 05, 2010 - 05:03 pm:        In my experience, the popping through the exhaust on deceleration with the Jardine pipe is normal. It can be improved with fuel map tuning, but it won't go away. I installed the Jardine plug to lower the noise a bit and the popping went away.   Buelluly Posted on Monday, July 05, 2010 - 06:06 pm:        Fuel map tuning? Where can i get info for fuel map tuning?   Froggy Posted on Monday, July 05, 2010 - 06:22 pm:        Get a race ECM from Erik Buell Racing, and all that will be a thing of the past.   Buelluly Posted on Monday, July 05, 2010 - 06:38 pm:        Thanks for the info. I will look into the race ECM,Thanks for the quick responses from everyone.   Bdrag Posted on Monday, July 05, 2010 - 08:10 pm:        Froggy So a race ECM will plug and play with a 2009 XB12X with no issues? Fan and this and that will not change? I have the Special Opps Muffler, No K $ N or airbox mod. Is the Race ECM tunable or just pre set? All these damn QUESTIONS! HAhahaa. BDRAG   Froggy Posted on Monday, July 05, 2010 - 08:21 pm:        quote: So a race ECM will plug and play with a 2009 XB12X with no issues? Yes, when you order it, specify your year, bike, VIN, what exhaust you have (even stock), any other requests (low idle, different fan programming, etc) and they will ship you a ECM for your setup. quote: Is the Race ECM tunable or just pre set? The $250 one is pre-set, but for $750 you get the tunable version and software so you can change it till your bike explodes.

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