5 star sct great on a 2014 expy

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Scott Carden

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I bought a tuner direct from 5 star that came with custom tunes plus I added one of my own for E-85.
I have a cold air intake and magnaflow cat back system. Plus my truck is a flex fuel so it comes with larger factory injectors.
Running E-85 with the custom tune is amazing. I can smoke up my 285/55/20 Goodyear ultra terrains no problem. The throttle response is much better and the transmission shifts are a lot firmer. I didn’t loose any fuel mileage, in fact I gained mileage on the highway. The guys at 5 star are great and the tuner works great.
 

Nakita23

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Reviving an older thread. I was just asking on here yesterday about this tuner. What has been your ~year of experience ? Better fuel mileage? Still shifting smooth? Etc

BTW 2011 XLT 2wd here
 

maxxplatinum9137

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@Nakita23 looks like they already answered your questions just like we did yesterday. No need to revive an old thread that has literally the same info as the one you posted the other day. Again, you’ll get better throttle response, smooth shifting, slight performance improvement and unless you can keep from going balls to the walls you MIGHT see maybe 1mpg increase. Remember this would be with a custom tune, not the pre loaded tunes. Those are junk
 

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