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Showing results for tags 'program'.
Thinking about doing an intake, exhaust, and tune to my new-to-me 2017 Sierra 1500 5.3L 8 speed. I miss the throttle response my 2013 6.2L had, it would lurch forward at the slightest tap of the gas. I also want to hear the engine, its so quiet! Cold air intakes seem to be disputed for having any performance gains, so are they really worth the $$$ in terms of better air flow? healthier engine? sound? any words of wisdom? Your $0.02 is always appreciated! I'm looking at the Magnaflow 15267 catback as it seems to sound pretty good for what I'm going for. I've read that there is a flap in the factory exhaust system that creates back pressure for AFM shift into V4 mode. I do like V4 mode and would not want to go away with it. How can a catback system integrate this feature? Also, what would be the rough performance improvements if any from a catback exhaust? Any other options that would sound similar and perform better/keep V4 mode for around the same price as Mgnaflow (~$800)? As for the tune, I know ZERO about tuning but do want to get rid of the rev limiter, speed limiter, get some performance gains without having to put midgrade or premium fuel in. How does the tuning process work? about how much do they cost? how can it be adjusted in the future? I assume anything like this would void some sort of warranty? Anyone do something similar and can attest to their experience with an intake, tune, exhaust?
I am looking to see if anyone has been able to program their own key fobs with any cheaper machines. I have seen the Dorman programmers on eBay and Amazon which can program a 2016 Sierra Key fob. I would like to purchase a programmer or something similar like a diagnostic tool that could also program my wife’s 2012 Malibu or at least the newer GM trucks. Has anyone had luck or know of anyone able to program keys and key fobs with any cheaper tools? Any info is appreciated. Thanks in advance.