Mods for 2014 GMC 2500 6.0 with .410 gears?
Is a tuner and cold air intake worth the $? Found some tuners for around $450 with a heavy towing tune built in and intakes around $350. Really don’t want a loud exhaust, do they make quieter ones tha...
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I have heard nothing but positive comments from those who have BlackBear tunes on their GM trucks. While I agree that peak power improvements are not significant at least in the 2000-4000rpm where most people want them, the transmission shifts and throttle response is really what people notice. I with the shifts would be about 15% higher rpm and never go below 1500rpm, or 2000rpm when using tow/haul mode.
