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F-Sport Drop In Filter

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Old Jul 1, 2021 | 07:21 PM
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Default F-Sport Drop In Filter

I've seen several posts about this, but just wanted to confirm. On Ebay I'm able to find an F-Sport Drop In engine air filter to replace the stock paper one, however the fitment compatibility only shows up to 2017 IS's.

Just want to clarify: can someone confirm that PTR03-53141-AA fits a 2018 IS350 F-Sport AWD? I read that this filter should fit in the regular stock air box without any modifications needed (hence the "drop in") - is that correct?
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Old Jul 1, 2021 | 09:31 PM
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These are the same engine with the same filter:
2014 and on
IS250 RWD
IS300 AWD
IS350 RWD/AWD
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Old Jul 2, 2021 | 06:37 PM
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Thanks but is that the correct part number and it's truly "drop-in" in the stock airbox (ie. no modifications needed)?
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Old Jul 3, 2021 | 05:55 PM
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Originally Posted by unioncorps
Thanks but is that the correct part number and it's truly "drop-in" in the stock airbox (ie. no modifications needed)?
Yes, PTR03-53141-AA is the correct part # and yes it drops right in, no mods needed. Takes 10 seconds to unclip the airbox lid, remove paper filter and drop the F-Sport one in.
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Old Jul 23, 2022 | 11:41 AM
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Looking to finally purchase this. Anyone know where I can get the drop in F-Sport filter at somewhat of a discount?

I’ve seen it in eBay from actual Lexus dealers for like $82 shipped. There are other stores like LexusPartsNow and some others that seemed to be slightly cheaper but not sure how legit they are and how much shipping would be.

TIA!
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Old Aug 31, 2022 | 09:30 AM
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Is there enough of a benefit then just running the stock? Not having to clean and dry it for example. Never experienced any difference besides a lil bit of sound on anything else I’ve owned. I’ve had dyno tuning with bikes and the oem filter had better numbers.
If ya got two and had one clean ready to go or the drying wasn’t an issue for ya I can see the longer run savings.
Idk just curious. The is my wife’s ride maybe I just don’t love it enough yet. I do want to put a bit bigger rubber and 15mil spacers on it already though 😂
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Old Sep 1, 2022 | 10:33 AM
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Originally Posted by Oneops
Is there enough of a benefit then just running the stock? Not having to clean and dry it for example. Never experienced any difference besides a lil bit of sound on anything else I’ve owned. I’ve had dyno tuning with bikes and the oem filter had better numbers.
If ya got two and had one clean ready to go or the drying wasn’t an issue for ya I can see the longer run savings.
Idk just curious. The is my wife’s ride maybe I just don’t love it enough yet. I do want to put a bit bigger rubber and 15mil spacers on it already though 😂
Yeah I have a regular OEM paper filter on standby whenever I need to clean the F-Sport filter. I just put in the F-Sport filter, no noticeable performance gains but I didn't expect that anyway. Throttle response seemed slightly better than stock and it sounded a tad "throatier" than OEM, but aside from that nothing noticeable.
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