Ive heard of issues of towing with the chip causing a limp mode - too much soot for the DPF to burn off, and the filter plugs and truck gets stuck in limp. I've even heard of this happening with stock trucks with a heavy/ constant load.
Get rid of the DPF for towing!!!
From what I've heard, the perf between the PPE 220 and the Quad 135 is pretty comparable - crank HP compared to RW HP.
I'm just trying to figure out why the $$$ difference between the two.
As far as EFI live - seems really cool if you have time to learn the sys and play with settings. I...