Quote:
Originally Posted by p47dman
What examples might you have that the K&N loses power? I have this on my car, not that I think I gained anything, but I am sure that I did not lose HP.
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Someone showed a dyno a while back where it lost like -3whp on the stock tune because the tube diameter is smaller. After tuning it's a break even / slight gain over stock. Google will provide more examples.