Originally Posted by Voyager
keep in mind the car that did its testing also had a custom cold air installed on the same test for the red line. so it has been determined that the red line is based more because of the cold air intake. there is also almost 30 mods done to that slk
Are you refering to "redline" brand oil or the rev limiter? Im trying to understand what your saying.
And id like to know the mods too, i pmd the guy before purchasing my headers and he just said he had some cooling mods done.