I have an 08 with flys removed and a Two Brothers slip on. I just added the slipon and my low end response went down hill. With the factory exhaust it appeared to have more low end torque and back pressure. I could easy pull the front end up at 4k with a slight blip of the throttle. know it will not do it unless I'm at 5k and I work really hard to do so. I am thinking a good map will solve the problem... at least I hope so cause I love the sound and looks not to mention all the weight savings. Someone please send me a good map for the Power Commander V with flys removed and a two brothers slip on.
Thanks,