I have been using K&N products for over a decade and I am still satisfied. 1. The intake pipe had a small dent on top. A little noticeable, but doesn't affect performance. 2nd - The heat shield didn't fit properly and I had to reposition the mounting holes. Better, but still not the way I want it to be. As far as gain goes, there is a definite improvement in the top end. However, the gains are certainly not as advertised.
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