Just swaped out my MAC CAI for the JLT RAI, The JLT is the best bang for the buck. I haven't dyno'd, but I can tell that the JLT flows more air and the Snake likes the JLT much better than the MAC. Also Tucker (as in J L T) is great to work with, I asked many questions both e-mail and on the phone and he had all the answers to my questions. I highly recommend the JLT RAI for both quality and performance.