HKS EL 4-2-1 Header - Pics / Videos / Dynos - FT-86 SpeedFactory Review - Page 4 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

uspspro · 10-03-2013, 04:51 PM

I agree the top end drops off, but it looks worse then it is, due to the increased redline.

Mobius357 · 10-03-2013, 05:17 PM

Yeah, it's holding torque up to the same RPM as stock, I was expecting the top end to be extended a few hundred rpm maybe.

FRSGeek · 10-04-2013, 07:01 PM

HKS shows on their website a Catted version, but they don't have O2 bung holes for pre and post CAT O2 sensors. I found that odd.

FT-86 SpeedFactory · 10-07-2013, 06:59 PM

Quote:

Originally Posted by FRSGeek

HKS shows on their website a Catted version, but they don't have O2 bung holes for pre and post CAT. I found that odd.

The bungs are there.

m.wood0213 · 10-11-2013, 12:23 AM

for a catted header is the hks one worth it?

akyp · 10-11-2013, 12:30 AM

Quote:

Originally Posted by m.wood0213

for a catted header is the hks one worth it?

Where I am I can probably get one cheaper than a JDL. I'm hesitating only because there doesn't seem to be a coated option, and I don't like thermal bandages.

cslntuee · 04-21-2014, 11:18 PM

Quote:

Originally Posted by FT-86 SpeedFactory

Yes we have a couple.

It appears to be coated but getting an official answer form HKS isn't the easiest thing in the world.

HI,

Could you confirm that both HKS EL header catted and catless which you
sell on your website with coated or not?
Thanks.

FRSGeek · 04-22-2014, 11:40 AM

I have HKS Catted and no it wasn't coated.
This instructions were in jpn. multiple versions it looked like. Instead of running the 2nd O2 off the engine side of the Front-Pipe we put a bung in the open area on the over-pipe

The high-flow cat does seem to have different metrics enough to confuse the ECU and trigger a P0420 after a short while.

Ron

cslntuee · 04-22-2014, 09:48 PM

Quote:

Originally Posted by FRSGeek

I have HKS Catted and no it wasn't coated. -Ron

This instructions were in jpn. multiple versions it looked like. Instead of running the 2nd O2 off the engine side of the Front-Pipe we put a bung in the open area on the over-pipe

The high-flow cat does seem to have different metrics enough to confuse the ECU and trigger a P0420 after a short while.

Ron

Could you give some review for the HKS catted header (ex. performance,
sound..etc)?
Thanks a lot.

FRSGeek · 06-15-2014, 03:03 AM

I don't know from others, but all in all I am pleased with the HSK header, Bob of Drift-Office also likes them per his words. My final tune HP is 184.76 I think it was.

Quote:

Originally Posted by cslntuee

Could you give some review for the HKS catted header (ex. performance,
sound..etc)?
Thanks a lot.

FRSGeek · 07-19-2014, 07:33 PM

Has anyone Ceramic coasted their HKS headers?

Hawk77FT · 07-21-2014, 04:27 PM

I am going to get this header soon. Couple of questions though:
1. Would I be able to use the stock aluminum cover to protect them?
2. I am going to get the catted version. My front pipe is uncatted. Even if I place the second o2 sensor in the front pipe, am I still going to get a cel/fault code?

FT-86 SpeedFactory · 07-21-2014, 08:09 PM

Quote:

Originally Posted by Hawk77FT

I am going to get this header soon. Couple of questions though:
1. Would I be able to use the stock aluminum cover to protect them?
2. I am going to get the catted version. My front pipe is uncatted. Even if I place the second o2 sensor in the front pipe, am I still going to get a cel/fault code?

They completely changed their catted header. It's pretty lame now. We got a full review of it coming later this week.

Hawk77FT · 07-21-2014, 09:14 PM

When you say they have changed the header now, what do you mean? What's changed? I want the 4-2-1 set up and I hope I will get that from them! Has the performance been affected?

Quote:

Originally Posted by FT-86 SpeedFactory

They completely changed their catted header. It's pretty lame now. We got a full review of it coming later this week.

10-04-2013, 07:01 PM	#45
FRSGeek Senior Member Join Date: Jul 2013 Drives: UltraMarine 6 Spd MT Location: Eastside Posts: 139 Thanks: 18 Thanked 19 Times in 18 Posts Mentioned: 2 Post(s)	HKS shows on their website a Catted version, but they don't have O2 bung holes for pre and post CAT O2 sensors. I found that odd. __________________ '13 Ultra Marine 6MT:AVO Stg 1.5 T, Berk Tech Cat'd FP, Perrin OP & 2.5" cat back, WinMax W3F/W2R, 18x8.5et44 Rota, 245/35R18's, Drift-Office EcuTek Tune, Cusco Strt Twr & Rear brace and Grimspeed hood struts. Last edited by FRSGeek; 10-12-2013 at 03:40 PM.

04-22-2014, 11:40 AM	#50
FRSGeek Senior Member Join Date: Jul 2013 Drives: UltraMarine 6 Spd MT Location: Eastside Posts: 139 Thanks: 18 Thanked 19 Times in 18 Posts Mentioned: 2 Post(s)	I have HKS Catted and no it wasn't coated. This instructions were in jpn. multiple versions it looked like. Instead of running the 2nd O2 off the engine side of the Front-Pipe we put a bung in the open area on the over-pipe The high-flow cat does seem to have different metrics enough to confuse the ECU and trigger a P0420 after a short while. Ron __________________ '13 Ultra Marine 6MT:AVO Stg 1.5 T, Berk Tech Cat'd FP, Perrin OP & 2.5" cat back, WinMax W3F/W2R, 18x8.5et44 Rota, 245/35R18's, Drift-Office EcuTek Tune, Cusco Strt Twr & Rear brace and Grimspeed hood struts. Last edited by FRSGeek; 04-22-2014 at 11:34 PM.

07-19-2014, 07:33 PM	#53
FRSGeek Senior Member Join Date: Jul 2013 Drives: UltraMarine 6 Spd MT Location: Eastside Posts: 139 Thanks: 18 Thanked 19 Times in 18 Posts Mentioned: 2 Post(s)	Has anyone Ceramic coasted their HKS headers? __________________ '13 Ultra Marine 6MT:AVO Stg 1.5 T, Berk Tech Cat'd FP, Perrin OP & 2.5" cat back, WinMax W3F/W2R, 18x8.5et44 Rota, 245/35R18's, Drift-Office EcuTek Tune, Cusco Strt Twr & Rear brace and Grimspeed hood struts.

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10-03-2013, 04:51 PM	#43
uspspro Senior Member Join Date: Mar 2012 Drives: DGM BRZ, MR-S 3.5L V6 swap (sold) Location: Bay Area, CA Posts: 602 Thanks: 28 Thanked 188 Times in 121 Posts Mentioned: 1 Post(s)	I agree the top end drops off, but it looks worse then it is, due to the increased redline.

10-03-2013, 05:17 PM	#44
Mobius357 Senior Member Join Date: Sep 2012 Drives: '15 WRX '13 Legacy '07 Colorado Location: Seacoast NH Posts: 337 Thanks: 10 Thanked 118 Times in 82 Posts Mentioned: 9 Post(s)	Yeah, it's holding torque up to the same RPM as stock, I was expecting the top end to be extended a few hundred rpm maybe.

07-21-2014, 04:27 PM	#54
Hawk77FT Senior Member Join Date: Jul 2012 Drives: GTS 86 Location: Australia Posts: 989 Thanks: 873 Thanked 476 Times in 272 Posts Mentioned: 12 Post(s)	I am going to get this header soon. Couple of questions though: 1. Would I be able to use the stock aluminum cover to protect them? 2. I am going to get the catted version. My front pipe is uncatted. Even if I place the second o2 sensor in the front pipe, am I still going to get a cel/fault code?

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