Not another header thread... - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

skogs · 05-10-2017, 12:20 PM

..except that it is. Sorry! I have searched the forum, but not found an answer.

I am soon to be the lucky owner of a 2013 GT86, and the first mod will be OFT and maybe a catless OFH. Everything else will be stock.

Currently i am driving a catless Celica GT4, and it smells really intense when giving it the beans. I live in Norway, where you will be shot on sight if you modify your car, and i'm really tired of worrying about being pulled over.

So, is the smell or sound from the lack of the main cat obvious for the car behind while driving?

8RZ · 05-10-2017, 12:24 PM

Pics of GT4!

Teseo · 05-10-2017, 12:26 PM

You will have one cat. Only smells on coldstart mornings.
And welcome

skogs · 05-10-2017, 12:32 PM

Quote:

Originally Posted by 8RZ

Pics of GT4!

Current car:

Thank you Teseo!

8RZ · 05-10-2017, 12:33 PM

Very nice, that's my favorite Toyota, what's not to love? Two doors, AWD, and boost.

guybo · 05-10-2017, 01:36 PM

Yes, it does stink and if you know the smell, you'll know the car is catless. It's not near as bad as older cars and doesn't smell like raw gas. When I stop and the wind is in back of me, I can smell it and my wife notices it too.

skogs · 05-10-2017, 01:38 PM

Quote:

Originally Posted by guybo

Yes, it does stink and if you know the smell, you'll know the car is catless. It's not near as bad as older cars and doesn't smell like raw gas. When I stop and the wind is in back of me, I can smell it and my wife notices it too.

Do you still have the 2nd cat?

Quote:

Originally Posted by 8RZ

Very nice, that's my favorite Toyota, what's not to love? Two doors, AWD, and boost.

Thx, it's a great car, probably going to miss it.

steve99 · 05-10-2017, 02:00 PM

Keep the large secondary cat in front pipe and it will be ok.

reeves · 05-10-2017, 08:24 PM

Nice GT4!

One of the few cars I wished I had an opportunity to buy new... or very lightly used.

skogs · 05-11-2017, 04:50 AM

Quote:

Originally Posted by reeves

Nice GT4!

One of the few cars I wished I had an opportunity to buy new... or very lightly used.

Mine was neither when i bought it, and the engine blew up a few weeks later:P Had to import another car from japan and do a swap. The famous power/price/reliability-triangle.

But thanks for the advice guys. I am going for the catless header then!

guybo · 05-11-2017, 06:13 AM

no cats

bfrank1972 · 05-11-2017, 09:17 AM

FYI there are various aftermarket headers on the market with HFC's that work pretty darned well

DarkSunrise · 05-11-2017, 09:35 AM

I used to have a catless header (JDL) and 200 cell catted FP (Berk). My friend drove behind me on a roadtrip and said the smell was noticeable.

After my wife got pregnant I switched to a catted header (FT86SF) and stock FP. I haven't noticed any smells other than a very faint fuel smell on cold start. This is probably the route you should go.

nikitopo · 05-11-2017, 02:56 PM

Quote:

Originally Posted by skogs

I am soon to be the lucky owner of a 2013 GT86, and the first mod will be OFT and maybe a catless OFH. Everything else will be stock.

I live in Norway, where you will be shot on sight if you modify your car, and i'm really tired of worrying about being pulled over.

Did you drive the car already? It is quite fast stock and very easy to go above speed limits in a few seconds. Catless headers provide a few gains, but not as much. It doesn't worth it, especially if it is strictly prohibited in your country.

05-10-2017, 12:20 PM	#1
skogs Member Join Date: Apr 2017 Drives: GT86 2013 Location: Norway Posts: 55 Thanks: 13 Thanked 15 Times in 8 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Not another header thread... ..except that it is. Sorry! I have searched the forum, but not found an answer. I am soon to be the lucky owner of a 2013 GT86, and the first mod will be OFT and maybe a catless OFH. Everything else will be stock. Currently i am driving a catless Celica GT4, and it smells really intense when giving it the beans. I live in Norway, where you will be shot on sight if you modify your car, and i'm really tired of worrying about being pulled over. So, is the smell or sound from the lack of the main cat obvious for the car behind while driving?

05-11-2017, 09:35 AM	#13
DarkSunrise Senior Member Join Date: Apr 2012 Drives: 22 BRZ (Previously 13 FR-S) Location: USA Posts: 5,797 Thanks: 2,186 Thanked 4,243 Times in 2,221 Posts Mentioned: 48 Post(s) Tagged: 2 Thread(s)	I used to have a catless header (JDL) and 200 cell catted FP (Berk). My friend drove behind me on a roadtrip and said the smell was noticeable. After my wife got pregnant I switched to a catted header (FT86SF) and stock FP. I haven't noticed any smells other than a very faint fuel smell on cold start. This is probably the route you should go. __________________ "Never run out of real estate, traction, and ideas at the same time." 2022 BRZ Build 2013 FR-S Build

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05-10-2017, 12:26 PM	#3
Teseo Senior Member Join Date: Jun 2014 Drives: frs Location: Gunsai Posts: 4,951 Thanks: 7,463 Thanked 2,978 Times in 1,801 Posts Mentioned: 23 Post(s) Tagged: 2 Thread(s)	You will have one cat. Only smells on coldstart mornings. And welcome

05-10-2017, 01:36 PM	#6
guybo Huge E85 fan! Join Date: May 2016 Drives: 2016 Scion FRS Location: Tampa, FL, USA Posts: 1,850 Thanks: 539 Thanked 1,010 Times in 605 Posts Mentioned: 32 Post(s) Tagged: 0 Thread(s)	Yes, it does stink and if you know the smell, you'll know the car is catless. It's not near as bad as older cars and doesn't smell like raw gas. When I stop and the wind is in back of me, I can smell it and my wife notices it too.

05-10-2017, 02:00 PM	#8
steve99 Banned Join Date: Dec 2013 Drives: FT86 Location: Australia Posts: 7,996 Thanks: 1,035 Thanked 4,992 Times in 2,983 Posts Mentioned: 598 Post(s) Tagged: 2 Thread(s)	Keep the large secondary cat in front pipe and it will be ok.

05-10-2017, 08:24 PM	#9
reeves Senior Member Join Date: Jul 2012 Drives: BRZ Location: ATL, GA Posts: 1,021 Thanks: 289 Thanked 397 Times in 265 Posts Mentioned: 13 Post(s) Tagged: 0 Thread(s)	Nice GT4! One of the few cars I wished I had an opportunity to buy new... or very lightly used.

05-11-2017, 06:13 AM	#11
guybo Huge E85 fan! Join Date: May 2016 Drives: 2016 Scion FRS Location: Tampa, FL, USA Posts: 1,850 Thanks: 539 Thanked 1,010 Times in 605 Posts Mentioned: 32 Post(s) Tagged: 0 Thread(s)	no cats

05-11-2017, 09:17 AM	#12
bfrank1972 Senior Member Join Date: Jul 2013 Drives: 2013 FR-S Argento Location: Westport,CT Posts: 1,855 Thanks: 517 Thanked 1,041 Times in 616 Posts Mentioned: 7 Post(s) Tagged: 1 Thread(s)	FYI there are various aftermarket headers on the market with HFC's that work pretty darned well

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