After much thought and research my pipe of choice is going to be the Storz 2-2. Looking at the results of the Hot Bike exhaust article, it doesn't really lose much, if anything to the other brands in HP and torque. Yes, it a heavier exhaust but still lighter than stock. Its the closest I've found to a real XR-750 sound (a sound I love by the way. lol). I'll be using the H-D SEPST for fuel, this is the fueler I used on my Night Rod with the V&H Comp pipe with great success. Will post before and after pics when done. Maybe a video clip.