If you have a crappy ECM program they advise you to roll back to a better compatible one I'm sure u won't lose anything and I'm sure you will gain low end and some midrange.
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2007 6.0 CCLB
Sct tuned by everyone
Banjos
Afe intake stage 2
Airdog150
Egr block off
Arp studs
Rbp exhaust 4inch
Powermax turbo
Banks high ram
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