C-15 475hp to 550hp

Sep 19, 2013 #1

I had my 2000 C15 multi-torque reprogramed from a 475hp to 550hp is there anything else i need to do for this change to be correct ??

Houndog, Sep 19, 2013

#1

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Oct 1, 2013 #2

Have your dyno'd it yet? You can also change the intake and exhaust manifolds as well to improve flow, which would also increase torque,HP, and mpgs

burke, Oct 1, 2013

#2