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K&N Air Filter

Old Apr 17, 2007 | 06:13 PM
  #1  
prospectjtaz's Avatar
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K&N Air Filter

Anyone know where I can pick this up in the GTA for the RX-8. Any reason not too?
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Old Apr 17, 2007 | 07:18 PM
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From: Mississauga, ON
http://www.knfilters.com/search/deal...x?part=33-2284

I'm looking to get one too.
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Old Apr 18, 2007 | 09:46 AM
  #3  
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Ask for Raymond at Avante Mazda, he'll give you 25% off as a RX-8 member price.

Actually I think most places that carry K&N can order it in for you, like Partsource or Can Tire or something.

I'm about to sell my used one tomorrow. But if that doesn't pan out would you be interested? It's still pretty clean as I've only used it for 11 months.
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Old Apr 20, 2007 | 06:56 AM
  #4  
Smokin_LaLa's Avatar
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From: Richmond Hill, Ontario
I heard the oil that is on that filter can get into the engine
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Old Apr 20, 2007 | 03:19 PM
  #5  
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I might be giving my rx8 back to the dealer this week...my lease is up! But i actually bought the k&n intake for my 8 from another member i put it on to see what it was like and it was amazing but i took it off because i didnt want the dealership to complain. so ive been holding off to put it on untill my lease was up. well it is done this week but i might be giving the car back so its up for sale if you want... if i could get what i paid id be happy ill have to look i dont remember right now?
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Old Apr 23, 2007 | 11:34 AM
  #6  
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If anyone wants my K&N Filter, LMK via PM. I'll sell for $35.00 (1/2 of what you can buy new).

Cheers,

Ed

[edit] And Raymond at Avante is the best parts guy I have ever had the pleasure of meeting. He's always willing to answer my questions, and he knows his sh|t [/edit]

Last edited by edblor; Apr 23, 2007 at 11:36 AM.
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Old Apr 28, 2007 | 07:11 PM
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No reason to not use the K&N...the "oil in the engine" is myth. A photo of the latest K&N installed is included on my "for sale" post - hate giving up the 8!!!
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Old May 30, 2007 | 07:52 AM
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Update: Wil be picking up mine this week. Already ordered. If you go to Parts Source, you can get the filter at a decent price, and the recharge kit, which is the oil and cleaner for just one cent, a penny. Awesome deal.
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Old May 30, 2007 | 11:11 PM
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I'm very frustrated, just finished typing a long reply with test specs etc. and it disappeared when i clicked on submit... Ahhh.

Well the short version is as follows.

I've had teh Mazdaspeed CAI on for about 2 weeks and HATE it. Loss of low end power and huge gain in noise at full throttle with NO noticeable gain in power.
So I used a G-Tech and experimented with 3 different setups. Here is what I found. (Car full fuel, no junk in the trunk, just me = 1500kg at the weighscale.)
Just FYI, Full fuel car only no passenger or driver = 1400kg (accurate to +/- 10kg).

Stock Intake = 184HP

Stock intake with drop in K&N = 190HP

Mazdaspeed CAI = 185HP; but slower throttle response + loss of low end power.

Did some research and found some AEM test documents that show the K&N flows at least 2 to 3.5 times more air (depending on the amount of air flowed) than most of the other filters available and it DOES NOT let more dirt through; thats a myth.

The calculated RENESIS maximum engine air flow at WOT @ 8000rpm is just under 400CFM. Most stock filters and even the AEM DRYFLOW (Madzaspeed filter) cannot flow that much air without a significant pressure drop.
According to the graphs its almost a 5" water pressure drop for the DRYFLOW and only a 2.5" water drop for the K&N, with "NO DUST LEAKAGE" detected.

So in my opinion If you want to keep the good low end response and get decent power gains throughout the rev range, if you are still under warranty, use the stock intake with a K&N drop in panel filter #33-2284 (rated to 441CFM with no noticeable pressure drop). It will flow as much as your engine will ever demand in an unboosted setup.

Out of warranty, the Raceing Beat REVi with the ram air attachment.
This keeps the tuned intake horn for smooth air delivery and uses a free flowing short ram design and still maintains a big box for that accumulator effect to help low end throttle response. Rated for a 10HP increase at 8000rpm.

Honestly though, for an extra 4HP, is $350plus really worth it ?
I'd say the stock setup and a K&N panel filter is a pretty good bang for your buck. Save that extra $300 towards a free flowing exhaust system. Thats the other half of maximising your engine's breathing efficiency.

Hope this info was useful.
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Old May 31, 2007 | 10:56 PM
  #10  
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^^^ I would double check the +10HP you quoted for the Revi ---> Racing Beat themselves claim that it will give at most 5.8HP @8000rpm. here's the link
http://www.racingbeat.com/REVi.htm

I tend to agree with what you are saying, but the +6HP over stock from the K&N drop-in is teetering on exaggeration/BS. I don't doubt that you got those figures and realize that you are using the G-Tech (which does have it's limitations seeing that it is an accelerometer). Just wondering how many runs you did with each setup? Because if you only did one run each, then perhaps you may have had a great run with the K&N and a poor run with the stock. Anyways, the guys here on the forum who have dyno tested the K&N filter have found NO appreciable performance gains (zero to +0.5HP --> likely due to instrument variation).

The stock filter is a good filter and will flow more air than your engine ever needs. There have been countless debates here and on other performance car forums like NASIOC on stock vs aftermarket. The consensus is that the stock filter for performance cars (like us, STI, M3, etc) is NOT a restriction point.

The only reason why I would switch to aftermarket is NOT for performance but for the reuseable factor, slight intake noise and possible improvement in mileage. With that said, my filter of choice is the GREEN filter --> has slightly better filtering performance (as small as 5microns), reuseable and overall better fabrication quality. The fitment of the outer plastic moulding is thereby preventing any particulates that may sneak-by the seal. I don't know why it's not more popular here in North America (they totally freak out over it in Europe).

Last edited by BlueFrenzy; May 31, 2007 at 10:59 PM.
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Old Aug 17, 2007 | 10:10 AM
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Rems31's Avatar
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Originally Posted by edblor
If anyone wants my K&N Filter, LMK via PM. I'll sell for $35.00 (1/2 of what you can buy new).

Cheers,

Ed

[edit] And Raymond at Avante is the best parts guy I have ever had the pleasure of meeting. He's always willing to answer my questions, and he knows his sh|t [/edit]
Really? I got mine new for $50 tax incl...
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Old May 8, 2013 | 04:41 AM
  #12  
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From: corpus christi
Arrow air filter yo

Ya just ordered mine last night can't wait to pick it up n I'm not sure wat to honestly ill just have to check it out for myself Cuz one person says its good other says its not other says engine will mess up etc. Lol
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Old May 8, 2013 | 06:24 AM
  #13  
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holy thread revival batman! PS: You'll be fine, most people have run the drop it's at one point or another.
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Old Jul 7, 2013 | 09:53 AM
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Ya man been running it with the drop in and my cars running great still but i kinda want a cold air intake for the winter
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