K&N部件匹配 RycoA1837空气过滤器

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K&N 替换空气过滤器
  • 旨在增加电力
  • 百万英里有限保修
Stefan Czechorski DDS, Wisconsin
Excellent product: washable / serviceable and it even has the OEM type mounting studs to secure the filter (some others have a large worm gear band to fasten filter to MAF sensor tube and thus not as secure) .  I have two of these K&N filters and therefore I can quickly exchange while I clean/soak/lube the other; one is always ready for install at service time. Well done K&N.
George Cambria, Brooklyn, New York
Awesome filter in my S5 with Stage 1+ 2, with supercharger pulley upgrade, made a big difference in air flow to the supercharger in low and high speed acceleration.
Celerino Lopez, New Milford, New Jersey
The installation was fairly easy, and the instructions were helpful. I still have to observe if fuel efficiency improved as time goes by. I noticed improved pick up during acceleration which was very pleasing. My only complain is that the threads on the filter bolts stripped very easy. I believe I may have stripped the threads on one of them when I tightened it, and I wasn't even applying too much pressure. I just hope it doesn't loosen to the point of disconnection.
E-1987 K&N E-1987 替换空气过滤器