Blitz or K&N Air Filter
#18
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IMO, its like comparing filtered water. You can go as basic as boiling water, or paper filters, or go through carbon filters, or reverse osmosis. The end result is still water, and your body will use it all the same. Now how much contaminants are in there? Only through testing can you check, but you would still notice a little taste difference. For me I prefer to have a little better than oem in my drinking water, so goes it for my car. I also probably function better with clean water than not.
#19
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There is no performance gain but they (Both) filter as good as OEM (As per my UOAs). The main advantage is they are lifetime filters and they produce a little more intake noise (Purr).
Koz
Koz
#22
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I have the F-sport intake. From what i was told by a lexus service associate was that using stock filter in place of F-sport filter has more air flow??? The "increased flow" might cause a check engine light to go on.
Someone confirm this..
Someone confirm this..
#24
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^I heard the blitz air filter was good for 45k total. at 30k you clean it and you can get 15k more. I'll try to find the post that said that. I mentioned it earlier in the thread. I want to know the details on the cleaning too
#25
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however, considering that the f-sport intake box is nothing more than an oem intake box that's been modified w/ an additional air inlet hole, i doubt that using the oem air filter in place of the f-sport filter will cause the ECU to throw a check engine light.
that, and if the f-sport intake was so performance oriented, you'd think it had better flow properties than the oem air filter.
while a lot of ^ is conjecture, i'd be surprised if the oem filter in an f-sport intake box did more harm than good.
#27
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I've always used K&N air filters in all my cars and they work great. I have never had a single issue. They're easy to clean and oil up and supposedly last forever.
I just cleaned my K&N a couple days ago and you can feel the difference. It's a slight increase in air. I could notice when I kicked her down from a full stop that it was pushing more air through.
Of course you're not going to get the full affect if you don't change the stock air box to an upgraded cold air intake. But I feel that the stock design is pretty good also.
I just cleaned my K&N a couple days ago and you can feel the difference. It's a slight increase in air. I could notice when I kicked her down from a full stop that it was pushing more air through.
Of course you're not going to get the full affect if you don't change the stock air box to an upgraded cold air intake. But I feel that the stock design is pretty good also.
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