"What we found to our amazement was that the Loud Mouth had broadened up the power curve by 5-7HP on average over stock throughout almost the entire RPM range, while peaking out at a maximum of 45HP. Although that’s just +1HP above stock at maximum peak performance, it’s an understatement at the least to say that getting there is really what’s impressive! Furthermore; the torque curve was broadened by 3-4lb-ft on average as well. Looking over the time for which data was recorded within a two second time interval from resting point, we had discovered that the loudmouth had the advantage of delivering 32:28HP (+5HP), 26:24lb-ft (+2lb-ft) and +3MPH." http://www.loudmouthmx.com/sitex/index.php?option=com_content&view=category&layout=blog&id=37&Itemid=54 Don't shoot the messenger.