TRD intake or K&N drop in ? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

JLMtm · 11-05-2013, 06:59 PM

Any quick opinions on either replacing the stock air box with the TRD intake or just dropping in a K&N?
not looking for any hp gains or whatever
Just looking at improving acceleration, throttle, response , smoother driving etc.
I already have the TRD exhaust and I want to keep my extended warranty

Pbrown · 11-05-2013, 07:03 PM

I have the K&N Filter, gets rid of the idle issue and sounds much better than stock.

BlueDubbinTDI · 11-05-2013, 07:06 PM

my K&N shipped today

z3ro · 11-05-2013, 07:07 PM

Quote:

Originally Posted by Pbrown

I have the K&N Filter, gets rid of the idle issue and sounds much better than stock.

Idle issue?

frs10 · 11-05-2013, 07:10 PM

my mpg dropped after the K&N drop in... went from 29/30 to around 23/24 mpg... anyone know what this is?

forzajuve · 11-05-2013, 07:10 PM

Go for just the filter. TRD CAI isn't worth it. Too costly and unnecessary

Pbrown · 11-05-2013, 07:13 PM

Quote:

Originally Posted by z3ro

Idle issue?

For some of us, the engine idle has a tendency to dip a little as if it wants to stall when starting the car and sitting at traffic lights. The K&N filter got rid of that issue for me.

forzajuve · 11-05-2013, 07:47 PM

Also, the TRD is $400. If you were actually considering to buy the TRD I would stop you and say buy the Vishnu Tablet tune for $500 instead. Yeah you are paying a little more, BUT you will get the "improving acceleration, throttle, response , smoother driving etc." you're looking for. Plus you can load up to 3 maps to play around with and you can always go back to stock. You will also not break warranty, which is a plus.

355rockit · 11-05-2013, 08:23 PM

K&N seemed to smooth out the engine a bit. After removing sound generator and replacing intake tubing with the Mishimoto silicon intake tube, the butt dyno feels like it is faster. Could be my imagination.

kodyo · 11-05-2013, 08:31 PM

K&N as well for me. No mileage drop and have had it for quite a while. Noticeable gains for me on the butt dyno. Highly recommend considering it's sub $40.

Deep Six · 11-05-2013, 10:53 PM

Strange that this thread just opened cause I installed a K&N filter along with the Perrin silicone intake pipe this weekend. Wanted to get rid of the sound generator and clear out the needless junk. Robicooler is going in on Thursday along with Perrin radiator hoses.

I was literally shocked at how much smoother the car idles and it also eliminates the bog you feel in first gear as the clutch is disengaged. It was so pronounced that I thought I was imagining things until I read this thread.

mokytron · 11-05-2013, 11:08 PM

where would be the cheapest place to get the k&n filters? (considering i'm up here in canada)

forzajuve · 11-05-2013, 11:57 PM

Interesting. I have the Perrin inlet tube (blue) with stock filter, and don't notice any difference. I still get the RPM idle dip, as well as the bog you are mentioning. Do you think if I buy an aftermarket filter THEN I will notice the difference?

pcporo · 11-06-2013, 12:28 AM

Quote:

Originally Posted by Deep Six

Strange that this thread just opened cause I installed a K&N filter along with the Perrin silicone intake pipe this weekend. Wanted to get rid of the sound generator and clear out the needless junk. Robicooler is going in on Thursday along with Perrin radiator hoses.

I was literally shocked at how much smoother the car idles and it also eliminates the bog you feel in first gear as the clutch is disengaged. It was so pronounced that I thought I was imagining things until I read this thread.

Just today I installed an hps silicon intake pipe with my K&N as well. completely agree

11-05-2013, 06:59 PM	#1
JLMtm Member Join Date: Oct 2012 Drives: FRS Location: 760 Posts: 78 Thanks: 5 Thanked 7 Times in 7 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	TRD intake or K&N drop in ? Any quick opinions on either replacing the stock air box with the TRD intake or just dropping in a K&N? not looking for any hp gains or whatever Just looking at improving acceleration, throttle, response , smoother driving etc. I already have the TRD exhaust and I want to keep my extended warranty

11-05-2013, 07:03 PM	#2
Pbrown Senior Member Join Date: Feb 2012 Drives: 2013 Scion FRS Raven Location: Ottawa Posts: 1,646 Thanks: 1,271 Thanked 1,322 Times in 658 Posts Mentioned: 106 Post(s) Tagged: 1 Thread(s)	K&N Filter I have the K&N Filter, gets rid of the idle issue and sounds much better than stock.

11-05-2013, 10:53 PM	#11
Deep Six Senior Member Join Date: May 2013 Drives: 2013 FRS / 2013 427 Vert Location: Orlando Posts: 611 Thanks: 212 Thanked 328 Times in 197 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	Strange that this thread just opened cause I installed a K&N filter along with the Perrin silicone intake pipe this weekend. Wanted to get rid of the sound generator and clear out the needless junk. Robicooler is going in on Thursday along with Perrin radiator hoses. I was literally shocked at how much smoother the car idles and it also eliminates the bog you feel in first gear as the clutch is disengaged. It was so pronounced that I thought I was imagining things until I read this thread. __________________ [SIGPIC][/SIGPIC] 2013 FR-S Asphalt BC Coils/Rev Works UEL header/HKS Front Pipe/Racing Brake BBK/Shorai LW Battery/ACT 6 Puck Clutch/FBM Radiator & Oil Pan/JR Oil Cooler/Jackson Racing High Boost C30/Rev Works Built Motor 2016 Audi TTS APR Tuned

11-05-2013, 11:08 PM	#12
mokytron i shoot cars Join Date: Oct 2013 Drives: asphalt grey Location: raincouver bc Posts: 37 Thanks: 1 Thanked 7 Times in 5 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	where would be the cheapest place to get the k&n filters? (considering i'm up here in canada) __________________ my automotive portfolios: kevinkinguy.com flickr

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11-05-2013, 07:06 PM	#3
BlueDubbinTDI Senior Member Join Date: Mar 2013 Drives: 2013 FR-S, 2012 MCS Location: Jax, FL Posts: 1,975 Thanks: 943 Thanked 570 Times in 356 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	my K&N shipped today

11-05-2013, 07:10 PM	#6
forzajuve Banned Join Date: Mar 2013 Drives: Ultramarine 86 - 6MT Location: California Posts: 533 Thanks: 184 Thanked 139 Times in 82 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Go for just the filter. TRD CAI isn't worth it. Too costly and unnecessary

11-05-2013, 07:47 PM	#8
forzajuve Banned Join Date: Mar 2013 Drives: Ultramarine 86 - 6MT Location: California Posts: 533 Thanks: 184 Thanked 139 Times in 82 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Also, the TRD is $400. If you were actually considering to buy the TRD I would stop you and say buy the Vishnu Tablet tune for $500 instead. Yeah you are paying a little more, BUT you will get the "improving acceleration, throttle, response , smoother driving etc." you're looking for. Plus you can load up to 3 maps to play around with and you can always go back to stock. You will also not break warranty, which is a plus.

11-05-2013, 08:23 PM	#9
355rockit Senior Member Join Date: Oct 2013 Drives: Sci FR-S, Fer F355, Toy Highlander Location: San Marcos, California Posts: 238 Thanks: 40 Thanked 115 Times in 60 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	K&N seemed to smooth out the engine a bit. After removing sound generator and replacing intake tubing with the Mishimoto silicon intake tube, the butt dyno feels like it is faster. Could be my imagination.

11-05-2013, 08:31 PM	#10
kodyo Senior Member Join Date: Jan 2013 Drives: Scion FR-S Location: Los Angeles Posts: 686 Thanks: 597 Thanked 257 Times in 174 Posts Mentioned: 6 Post(s) Tagged: 0 Thread(s)	K&N as well for me. No mileage drop and have had it for quite a while. Noticeable gains for me on the butt dyno. Highly recommend considering it's sub $40.

11-05-2013, 11:57 PM	#13
forzajuve Banned Join Date: Mar 2013 Drives: Ultramarine 86 - 6MT Location: California Posts: 533 Thanks: 184 Thanked 139 Times in 82 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Interesting. I have the Perrin inlet tube (blue) with stock filter, and don't notice any difference. I still get the RPM idle dip, as well as the bog you are mentioning. Do you think if I buy an aftermarket filter THEN I will notice the difference?

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