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I made a road trip recently and wanted to post my info to get a new thread started on open road feed back. Here goes,,,$.02 The truck is a 2003 GMC 4x4, CC, SB, 2500HD W/ D/A with 35" tires, 3:73 gearing, Triple Dog tuner, 4" intake, 4" open exhaust, among other mods... The trip was 1200...

I did alot of research before hand and heard only negative comments, so I thought I would post my thoughts on the Bully Dog shift kits now that I have done the installation of both their kits on my rig. I started with the Super Aggressive Kit on my '03 GMC and It was nothing short of SUPER...

I did alot of research before hand and heard only negative comments, so I thought I would post my thoughts on the Bully Dog shift kits now that I have done the installation of both their kits on my rig. I started with the Super Aggressive Kit on my '03 GMC and It was nothing short of SUPER...