[Jared at Pelican Parts]

Originally Posted by Walter_Middie

All this talk of engine upgrades - if you don't have a shift kit in the 2004R, I can tell you an automatic can be transformed by a good quality shift kit. I've put in dozens of these for friends and family over the years. I wouldn't think of owning an automatic without one.

Tranny Source Rex

+1 on the shift kit.