Quote:
Originally Posted by SlickGT1
I think he means some programming, but I have never seen anything for the 4.8is. I want to know how people get another 40hp, if it is just a chip, I'm curious to know.
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As you know one chip will be of nothing, the exhaust, an insertion, the filter, as a result will be a good difference, dynamics increased.
Firm chip
and tuning (Upsolute) on how many I remember, precisely I do not remember. an exhaust did that that on a mix of M of a package