I ran into one of my friends today that has about an 06 duramax. Hes put about 5k worth of performance mods into it, so its pretty fast! We both had some time to kill so we pulled onto the road goin up to my house. Its about a half mile long and perfectly flat and straight. I started us and off the line i pulled him by about a half length. When we hit about 40 we were even and when we got about half way down the road and goin 75 0r 80 he was about 1/2 length in front. Even though I lost, id say my truck did pretty good for only having an intake vs. his fully tuned w/ full turbo back Banks exhaust and intake!