Cold air intake question - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

bhbnuckle · 03-07-2014, 05:55 PM

Hello guys.

I recently installed aftermarket cat back exhaust (ARK DT-S) and just love the sound and power out of it

but I have a question.

is it MANDATORY to put cold air intake?

my friend told me "just saying, its common physics : increase in output potential with no increase in intake volume does not give you the power, your going to damage your engine" and stuff stuff.

if any of you who installed exhaust but intake, i would like to know what happened to your car.

Thanks in advance

FrsDuke · 03-07-2014, 06:01 PM

Get a drop in filter or wait for grimmspeed to finish their intake. Most are snake oil. Stock intake is quite good.

wheelhaus · 03-07-2014, 06:06 PM

You shouldn't need an aftermarket intake until you need to exceed what the OEM intake can accommodate. A drop in filter as Duke mentioned should be plenty. Too many intakes provide a small bump in power because they change how the MAF sensor reads the airflow, causing the ECU to inject slightly more/less fuel than what it's calibrated to use. Once the ECU is recalibrated (tuned) to read the new airflow correctly, the tuner can make accurate changes in the fuel tables to make power safely.

bhbnuckle · 03-07-2014, 07:43 PM

what's drop in filter? some kind of intake??

Malt · 03-07-2014, 07:51 PM

Quote:

Originally Posted by bhbnuckle

what's drop in filter? some kind of intake??

KN air filter, Perrin foam filter, etc...

wheelhaus · 03-07-2014, 09:36 PM

Quote:

Originally Posted by bhbnuckle

what's drop in filter? some kind of intake??

It's just a replacement filter made of a different material than the OEM piece. Most filters are made of a paper material, some are sheet foam, some are cotton embedded in a screen mesh. Paper can filter the best, cotton mesh can flow the best regardless of it's material. Most manufacturers say theirs is the best. Mesh filters can often be "washed" and reused, but of course they're the most expensive. I've seen some mesh filters go for $100+.

boredom.is.me · 03-07-2014, 10:11 PM

Quote:

Originally Posted by bhbnuckle

"just saying, its common physics : increase in output potential with no increase in intake volume does not give you the power, your going to damage your engine"

Find a new friend.

bhbnuckle · 03-08-2014, 11:11 AM

lol

03-07-2014, 05:55 PM	#1
bhbnuckle Senior Member Join Date: Apr 2013 Drives: 2013 Asphalt FR-S/2003 Honda Accord Location: Richmond Hill, Ontario Posts: 527 Thanks: 160 Thanked 77 Times in 68 Posts Mentioned: 2 Post(s) Tagged: 2 Thread(s)	Cold air intake question Hello guys. I recently installed aftermarket cat back exhaust (ARK DT-S) and just love the sound and power out of it but I have a question. is it MANDATORY to put cold air intake? my friend told me "just saying, its common physics : increase in output potential with no increase in intake volume does not give you the power, your going to damage your engine" and stuff stuff. if any of you who installed exhaust but intake, i would like to know what happened to your car. Thanks in advance

03-07-2014, 06:01 PM	#2
FrsDuke Fanboy Join Date: Dec 2013 Drives: 2013 ultramarine frs Location: Tx Posts: 612 Thanks: 242 Thanked 337 Times in 203 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	Get a drop in filter or wait for grimmspeed to finish their intake. Most are snake oil. Stock intake is quite good. __________________ I'm done helping those who won't help themselves. TL;DR: -Duke

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03-07-2014, 06:06 PM	#3
wheelhaus Join Date: Jul 2012 Drives: 2013 BRZ, 2020 KTM Super Duke 1290R Location: Denver Posts: 1,788 Thanks: 714 Thanked 1,141 Times in 624 Posts Mentioned: 49 Post(s) Tagged: 1 Thread(s)	You shouldn't need an aftermarket intake until you need to exceed what the OEM intake can accommodate. A drop in filter as Duke mentioned should be plenty. Too many intakes provide a small bump in power because they change how the MAF sensor reads the airflow, causing the ECU to inject slightly more/less fuel than what it's calibrated to use. Once the ECU is recalibrated (tuned) to read the new airflow correctly, the tuner can make accurate changes in the fuel tables to make power safely.

03-07-2014, 07:43 PM	#4
bhbnuckle Senior Member Join Date: Apr 2013 Drives: 2013 Asphalt FR-S/2003 Honda Accord Location: Richmond Hill, Ontario Posts: 527 Thanks: 160 Thanked 77 Times in 68 Posts Mentioned: 2 Post(s) Tagged: 2 Thread(s)	what's drop in filter? some kind of intake??

03-08-2014, 11:11 AM	#8
bhbnuckle Senior Member Join Date: Apr 2013 Drives: 2013 Asphalt FR-S/2003 Honda Accord Location: Richmond Hill, Ontario Posts: 527 Thanks: 160 Thanked 77 Times in 68 Posts Mentioned: 2 Post(s) Tagged: 2 Thread(s)	lol

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