Ohmerracing
TYF Newbie
- Joined
- Jul 30, 2016
- Posts
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I'm looking at getting a tuner for my 08 Yukon XL Denali 6.2L (completely stock). I live in Colorado at 9,500ft elev. I'm looking for more power for driving in the mountains. I see everyone raving about the Black Bear and was wondering about custom tunes.
What kind of hp/torque/mpg gains are you seeing?
Any other suggestions?
What kind of hp/torque/mpg gains are you seeing?
Any other suggestions?