Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB
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Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB (https://www.ft86club.com/forums/index.php)
-   Engine, Exhaust, Transmission (https://www.ft86club.com/forums/forumdisplay.php?f=8)
-   -   HKS EL 4-2-1 Header - Pics / Videos / Dynos - FT-86 SpeedFactory Review (https://www.ft86club.com/forums/showthread.php?t=30980)

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 (Post 1251680)
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 (Post 1263635)
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 (Post 1247540)
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 (Post 1689532)
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 (Post 1691099)
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 (Post 1857859)
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 (Post 1858259)
They completely changed their catted header. It's pretty lame now. We got a full review of it coming later this week.


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