Agency Power has completed design and testing of their equal length headers for the new Porsche 991 Carrera and Carrera S. The headers have a 3 to 1 design and are available with 200 cell cats or a race version with no cats. Agency Power claims the headers are lighter than stock although no weights are provided. The headers gain 11 peak wheel horsepower without cats (street version should give a little less) and there are gains throughout the entire curve which also is smoothed out a bit. Pictures and dyno testing video below, pricing information to come soon.

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