I had my computers flashed back and I am truly enjoying having the engine braking back again in tow haul mode. I can't speak to the price as I had mine done on a Christmas time special pricing. My 2004 certainly starts quicker with the original programming as well. I am not sure about the power level since I bought another ECM on Ebay to use while the original was being reprogrammed. It apparently had been "tuned" and was strong. Really strong. So it confused my point of reference.
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