Drop In Filter Dyno Results - FT-86 SpeedFactory - Page 14 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

FT-86 SpeedFactory · 08-21-2013, 11:34 AM

Quote:

Originally Posted by Tt3Sheppard

I have the HKS Drop in filter. When do you guys usually change it out? I've had it in for about 17k

Time to clean it I would say.

Tt3Sheppard · 08-21-2013, 12:56 PM

Quote:

Originally Posted by FT-86 SpeedFactory

Time to clean it I would say.

I was thinking the same. Can you just clean it with water or should I just replace it? I've searched and found nothing on the HKS in regards to cleaning.

tunami · 10-10-2013, 03:51 AM

Thanks for the great review OP. I have the Afe dry and i noticed my idle dip is gone. It does have a bit louder sound in cabin as well.

Brzetto · 10-11-2013, 08:18 PM

What is the downside of the K&N drop in filter? I've seen a few comments about allowing more dirt in the engine, is that true?

daiheadjai · 10-26-2013, 10:21 PM

Quote:

Originally Posted by Tt3Sheppard

I have the HKS Drop in filter. When do you guys usually change it out? I've had it in for about 17k

What my dad used to do with the furnace panel filter (those 3M filtrete kinds) was yank it out, and take the vacuum cleaner to it... Wonder if that works here?

Hoey · 12-04-2013, 03:55 AM

Hey guys,

Just wondering when you guys will update the test results for the Apexi and Cosworth filters.

Also, can you clean the HKS ones?

Thanks.

FT-86 SpeedFactory · 12-05-2013, 04:05 PM

Quote:

Originally Posted by Hoey

Hey guys,

Just wondering when you guys will update the test results for the Apexi and Cosworth filters.

Also, can you clean the HKS ones?

Thanks.

HKS ones can be cleaned.

We no longer have a stock FRS to test on but as you can see they all pretty much get around the same gains.

ajcacio · 12-05-2013, 04:46 PM

Just some food for thought:

High Flow Filter Showdown: Factory Air Box vs “High Flow” filters

Chad86 · 12-05-2013, 06:04 PM

Quote:

Originally Posted by Brzetto

What is the downside of the K&N drop in filter? I've seen a few comments about allowing more dirt in the engine, is that true?

I have asked this before and would like to know the correct answer whether this will cause engine damage or not.

Brzetto · 12-05-2013, 07:53 PM

I have a k&n in my Nissan and my much older car, neither vehicles have suffered any kind of damage. I think someone is just being an asshole starting rumors for his own amusement or they don't like k&n for some reason. The only difference with a boxer vs an inline-4 or V6 is the pistons are opposed.

DC2R · 01-17-2014, 01:04 PM

How has MPG been with drop-ins? I usually keep revs down when i can and most CAI seem to rob low end power. Looking at drop-in for price and fuel concerns. a few HP would be nice too!

FT-86 SpeedFactory · 01-18-2014, 07:36 PM

Quote:

Originally Posted by DC2R

How has MPG been with drop-ins? I usually keep revs down when i can and most CAI seem to rob low end power. Looking at drop-in for price and fuel concerns. a few HP would be nice too!

People report stock like MPG or even a tad better typically.

DC2R · 01-21-2014, 10:02 AM

Seems drop-in is the way to go. I'm between K&N or HKS. Seems HKS is more restrictive but people seem to believe K&N don't filter enough particles.

zooki · 01-21-2014, 03:43 PM

Quote:

Originally Posted by DC2R

Seems drop-in is the way to go. I'm between K&N or HKS. Seems HKS is more restrictive but people seem to believe K&N don't filter enough particles.

I had K&N filters in all of my vehicles. I had a 1993 Mustang that had one in it from day 1, and I put 193,000 miles on it before I sold it, and it was still going strong. My '99 Superduty diesel has 250,000 miles on it, all with a K&N filter in it, and it's still going strong. Proper cleaning and recoiling is the key.

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10-10-2013, 03:51 AM	#185
tunami Senior Member Join Date: Jul 2013 Drives: 2013 FR-S 6spd Whiteout Location: OC Posts: 148 Thanks: 68 Thanked 59 Times in 46 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Thanks for the great review OP. I have the Afe dry and i noticed my idle dip is gone. It does have a bit louder sound in cabin as well.

10-11-2013, 08:18 PM	#186
Brzetto Senior Member Join Date: Feb 2013 Drives: 4 wheels Location: Earth Posts: 1,024 Thanks: 117 Thanked 332 Times in 205 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	What is the downside of the K&N drop in filter? I've seen a few comments about allowing more dirt in the engine, is that true?

12-04-2013, 03:55 AM	#188
Hoey Junior Member Join Date: Jul 2013 Drives: Black GTS Location: Australia Posts: 5 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Hey guys, Just wondering when you guys will update the test results for the Apexi and Cosworth filters. Also, can you clean the HKS ones? Thanks.

12-05-2013, 04:46 PM	#190
ajcacio Senior Member Join Date: Jul 2013 Drives: DGM BRZ-L Location: Atlanta, GA Posts: 101 Thanks: 20 Thanked 33 Times in 23 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	Just some food for thought: High Flow Filter Showdown: Factory Air Box vs “High Flow” filters

12-05-2013, 07:53 PM	#192
Brzetto Senior Member Join Date: Feb 2013 Drives: 4 wheels Location: Earth Posts: 1,024 Thanks: 117 Thanked 332 Times in 205 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	I have a k&n in my Nissan and my much older car, neither vehicles have suffered any kind of damage. I think someone is just being an asshole starting rumors for his own amusement or they don't like k&n for some reason. The only difference with a boxer vs an inline-4 or V6 is the pistons are opposed.

01-17-2014, 01:04 PM	#193
DC2R Senior Member Join Date: Dec 2013 Drives: 2014 Scion FR-S Location: United States Posts: 1,021 Thanks: 699 Thanked 159 Times in 132 Posts Mentioned: 6 Post(s) Tagged: 0 Thread(s)	How has MPG been with drop-ins? I usually keep revs down when i can and most CAI seem to rob low end power. Looking at drop-in for price and fuel concerns. a few HP would be nice too!

01-21-2014, 10:02 AM	#195
DC2R Senior Member Join Date: Dec 2013 Drives: 2014 Scion FR-S Location: United States Posts: 1,021 Thanks: 699 Thanked 159 Times in 132 Posts Mentioned: 6 Post(s) Tagged: 0 Thread(s)	Seems drop-in is the way to go. I'm between K&N or HKS. Seems HKS is more restrictive but people seem to believe K&N don't filter enough particles.

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