Posted 11/26/2021 08:31 (#9342405 - in reply to #9342370) Subject: RE: C15 Cat boost
Southern Pa.
ryan elias - 11/26/2021 09:15
Fuel use change?
If you're talking to me, our C15 gets better fuel economy with the PDI stage 1 tune than the original 475 hp Cat file. About 0.7 mpg better. 750+ hp, 2150 tq.