Quote:
Originally Posted by xxdachosen1xx
Call the shops that install the tune or better yet call Noel directly and he can explain to you. I'm not an engineering or tuner. Just telling you based on my experience.
The Tuners will give you unbiased opinions if you are skeptical.
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If you can't get any documentation or factual proof of power change then why even bother with their opinions? It's not like opinions powers your petrol engine.