I've had Elite's, GoGo's, Matt with Gearhead's, Eric with Innovative's, and just recently Chris with TruckSourceDiesel's.
They all did fine but each have their own little characteristics and it seems to vary from truck to truck. Doug's tunes worked great on my '05 crewcab. Drove fine on the street and was consistent 14.1's at the track.
Matt's tunes were also great but I was having a trans issue at the time so I'll have to try his again.
Elite's tunes worked well but just reved a little too high for my taste.
Eric's tunes have worked really well for me. Great for daily driving and racing.
Most recently I've tried out Chis at TSD's "Bus Stop" tune. Very impressed with it so far. Excellent power and very streetable. This is on the '03 I just got so I haven't tried any others on this particular truck, but so far so good. It hasn't puked yet either (knocks on wood).
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