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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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#15 |
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There are tons of data all over the net on flow comparisons between wet, dry, foam, paper and cotton gauze filters. Do the research and judge for yourself. I run a K&N, and I have only run K&Nd in my rotary race cars for the past 15 years.
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#16 |
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perrin filter made the car feel great after getting the old and very dirty filter out. Guess i was back to stock power level.
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#18 |
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I have a K&N filter. Its a filter, it does its job. I didn't really notice much in the way of power.
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I have a K&N, installed it a few days ago, makes a weird "whistle" noise around 6400 rpm. might go back to stock.
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As far as I know it is, I took it out twice to re-seat it. I did remove the entire thing, made things easier. I'll have to look at it again later.
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