![]() ![]() Then you have to consider how the K&N works in the first place. This peak number would not be felt on the street or shown in the 1/4 mile. Notice the red and blue line pulls are identical to each other with the difference of 4.6 RWHP. The 4.6 additional horsepower did not increase the entire length of the curve.only a small peak at the high rpm. 'The reality is 4.6 RWHP and ZERO gain in torque is PEAK number. ![]() They told me that they have seen a slight reduction in power, to no improvement with the installation of the K&N FIPK.' ' It looks like TRD is right about this one, or close anyway. The dyno graphs all directly overlaid one another as did the mixture trace lines.' 'On my old 1999 Mille I did a dyno test with full EGA on the stock filter, EVO, K&N, a Foam one I made and none at all. 'The Porsche Club of America dyno-tested K&N filters in a variety of new Porsches in 2001 and found no power increase whatsoever.' No gain in HP or torque (tiny bit more torque with stock system) In response to the statement, ' because they are a proven way to make power on nearly every other car.' Reposted from here by request of TDIMeister. ![]()
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