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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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09-24-2018, 03:22 PM | #15 |
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I opted for a drop in since I'll be swapping the motor next year and didn't want to waste a few hundred for a full intake knowing that ahead of time.
I went with the K&N for about $40 and it made a noticeable improvement on the butt dyno and picked up about .5 mpg as well over the stock filter. |
09-24-2018, 04:34 PM | #16 |
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@Aluma007 For a high flowing dry filter, I think you'd only want to run for track use only or for short term in only clean-driving environments. Oil analysis shows that silicon content is directly connected to how well your air filter works. No these aren't washable or reusable.
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09-24-2018, 08:12 PM | #17 |
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The 17+ are dry paper elements.
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09-25-2018, 04:50 AM | #18 |
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Overall most aftermarket air intake systems mostly did nothing-worsen HP. Some even brought up CELs.
Drop In Filters were all comparable 2~5 hp (practically noise from various runs, heat soaking, etc.). Some dry drop in filters are washable. ie. https://afepower.com/media/pdp-files/31-10094-1-is.pdf Oils are washable as well. And no, its not once week or month. The environment you use it in and the number of miles you drive plays a large factor on how often you wash it. aFe oil says to wash your oiled filter every 30,000-50,000 miles. If you drive less than that, then aFe suggests you inspect the filter once a year for sufficient oil (blue color is the oil). Why did I mention aFe? Because that's what I'm using and too lazy to look up other brand suggestions.
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09-25-2018, 07:48 AM | #19 |
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I read on Yamaha forums that the intake filters can be oiled using 2-stroke engine oil (based on the assumption that 2-stroke oil can be safely mixed with gasoline for combustion). Can anyone confirm this?
I used 2-stroke oil on my bike with no issues, but my R6 doesn't have any O2 sensors. |
09-25-2018, 07:51 AM | #20 | |
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09-25-2018, 08:12 AM | #21 | |
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In hindsight, I'll be switching back to dry OEM style filter for both soon. Trying to eek out 2 or 3 hp from the engine that makes no difference in real life.... is not worth it for me. Heck, if I really wanted every single one of those few extra HPs, I should have bought a used MR2, RX8, Elise... or even a Camaro 2.0T! |
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09-25-2018, 08:53 AM | #22 | |
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I've run them on cars from 140whp-550whp. I run one on my FR-S (drop in), ran them on both of my Evo X's full intake style with bolt ons and E85, and run one on my modded F-250 Diesel also full intake style. I've probably put close to 350k miles on aftermarket oiled filters between all my vehicles that have run them and never had a single issue. You've got a far better chance of damaging your MAF by banging it around during an install of an aftermarket intake then by having blow by oil from the filter. |
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09-25-2018, 11:12 AM | #23 |
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09-25-2018, 01:49 PM | #24 | |
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There also appears to be some misunderstanding as to how frequently you need to clean and re-oil the filter. I've seen people post how they have to do it weekly. The time right after re-oiling poses the greatest risk of oil splattering on the MAF sensors. These situations are probably where you're hearing the horror stories - people Incorrectly using the products. Honestly you save a good deal of money using washable filters like your K&N. If you're Really paranoid you can use washable dry filters.
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09-25-2018, 03:35 PM | #25 |
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Just grabbed the K&N drop in filter too. I'm in it for the butt dyno improvements.
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09-25-2018, 04:31 PM | #26 |
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I use K&N drop in filters since 2000 on Impreza GT, WRX, STI, EVO6, Suzukis and now on BRZ.
Most important is the oiling procedure and the first few kms after oiling, I used to oil the filter slightly, let it in absorbing paper for 1-2 days and finally blow with air gun for any remaining extra oil. Then I fit it and drive smoothly the first few mins just to be sure it wouldn't hurt my MAF. So far no problem in any of my previous cars! |
09-25-2018, 04:47 PM | #27 |
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Drop in filters.
-snip-
Sent from my iPhone using Tapatalk Last edited by kevaughan; 09-25-2018 at 07:32 PM. |
09-25-2018, 07:26 PM | #28 |
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