Help with exhaust system purchase - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

spicetooth · 06-13-2018, 09:12 PM

Hey All,

I have a stock 2014 FR-S. I've read and watched a ton of content on headers and cat backs. I know I love the sound of the Gruppe-S UEL header and Invidia r400 cat back.

Here is the dilema. We have emissions testing in Ontario Canada. I cannot seem to find an answer anywhere on if I can pass etest with a catless header.

If I can't, I don't mind doing a catted header and mid pipe but want to make sure I still get that awesome low tone boxer rumble. No idea where to start.

Also, I do not like high RPM raspyness or cabin drone as I use the phone a lot in the car.

Any help is greatly appreciated.

J1Avs · 06-13-2018, 09:23 PM

I’m running the Perrin 2.5 Resonated and will be installing JDL Catted UEL and JDL Catted/Resonated Front/Over Pipe Combo in about a week. Check out some clips on the combo, it has a real nice deep tone and subie rumble without any rasp. I delt with JDL directly over the phone and email and they were great to work with. Only downside is JDL is way more than the Gruppe. I chose going Catted on both to be as safe as possible for emissions.

Xxyion · 06-13-2018, 10:40 PM

you most likley wont pass an etest with a catless header. The etest if i'm not mistaken checks for CELs and running without a cat throws one due to the difference in airflow. Even if you get a tune, which removes it, wont have the airflow that a stock system should have so you might fail there.

But i'm also in California, where if i change my shift knob i fail smog...

Turbo · 06-13-2018, 11:40 PM

Quote:

Originally Posted by Xxyion

But i'm also in California, where if i change my shift knob i fail smog...

weederr33 · 06-14-2018, 12:16 AM

Quote:

Originally Posted by Xxyion

But i'm also in California, where if i change my shift knob i fail smog...

'Murica!

NRXRaptor · 06-14-2018, 02:39 AM

Quote:

Originally Posted by Xxyion

But i'm also in California, where if i change my shift knob i fail smog...

I'm in California too. The only smog testing required for me is on change of vehicle ownership according to dmv.ca.gov. Git gud

mav1178 · 06-14-2018, 02:24 PM

Quote:

Originally Posted by Xxyion

But i'm also in California, where if i change my shift knob i fail smog...

Only if you are in enhanced testing areas, mostly urban centers or the central valley.

https://www.bar.ca.gov/pdf/Program_Map.pdf

Xxyion · 06-14-2018, 03:48 PM

Quote:

Originally Posted by mav1178

Only if you are in enhanced testing areas, mostly urban centers or the central valley.

https://www.bar.ca.gov/pdf/Program_Map.pdf

SF Bay area is smack dab right in the middle of the orange area on the map you provided. Thats where i live unfortunetly

Hudson456 · 06-14-2018, 04:03 PM

I'm absolutely in love with my Tanabe Concept G single exit. There is ZERO drone cruising around town, the sound at WOT is louder than stock but doesn't exceed 93 db (per Tanabe) and sounds great. I also dropped 20 lbs swapping from stock.

If you like the look of single exit it is a solid choice!

mav1178 · 06-14-2018, 05:29 PM

Quote:

Originally Posted by Xxyion

SF Bay area is smack dab right in the middle of the orange area on the map you provided. Thats where i live unfortunetly

Which is why I posted the map, because not all of CA is under the same rule you are suggesting.

-alex

Xxyion · 06-14-2018, 08:28 PM

Quote:

Originally Posted by mav1178

Which is why I posted the map, because not all of CA is under the same rule you are suggesting.

-alex

I was just making a joke lol

spicetooth · 06-15-2018, 01:59 AM

Thanks for all of your feedback so far.

I found out we only do ECU etest here now and I'm good for another 3 years anyway.

Seems the r400 with any catless UEL sounds great as long as there is a resonator on the front pipe.

Sent from my ONEPLUS A3000 using Tapatalk

FRSBRZGT86FAN · 06-15-2018, 02:08 AM

Quote:

Originally Posted by spicetooth

Thanks for all of your feedback so far.

I found out we only do ECU etest here now and I'm good for another 3 years anyway.

Seems the r400 with any catless UEL sounds great as long as there is a resonator on the front pipe.

Sent from my ONEPLUS A3000 using Tapatalk

The gruppe UEL is a good choice, I plan to get that when this header gets too worn out.

The gruppe is made in the same place as the tomei

spicetooth · 06-15-2018, 01:58 PM

If I buy UEL header, overpipe and cat back as shops recommend, does that mean I am sticking with the stock front pipe that has a cat in it?

06-13-2018, 09:12 PM	#1
spicetooth Member Join Date: Aug 2014 Drives: 2014 FR-S Location: Ottawa, ON CAN Posts: 28 Thanks: 8 Thanked 2 Times in 2 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Help with exhaust system purchase Hey All, I have a stock 2014 FR-S. I've read and watched a ton of content on headers and cat backs. I know I love the sound of the Gruppe-S UEL header and Invidia r400 cat back. Here is the dilema. We have emissions testing in Ontario Canada. I cannot seem to find an answer anywhere on if I can pass etest with a catless header. If I can't, I don't mind doing a catted header and mid pipe but want to make sure I still get that awesome low tone boxer rumble. No idea where to start. Also, I do not like high RPM raspyness or cabin drone as I use the phone a lot in the car. Any help is greatly appreciated.

06-13-2018, 10:40 PM	#3
Xxyion Lowly Cartuber Join Date: Jul 2016 Drives: 2016 BRZ, 2005 Honda S2000 Location: California Posts: 902 Thanks: 41 Thanked 422 Times in 281 Posts Mentioned: 13 Post(s) Tagged: 0 Thread(s)	you most likley wont pass an etest with a catless header. The etest if i'm not mistaken checks for CELs and running without a cat throws one due to the difference in airflow. Even if you get a tune, which removes it, wont have the airflow that a stock system should have so you might fail there. But i'm also in California, where if i change my shift knob i fail smog... __________________ 2016 Limited MT WR Blue BRZ \| Delicious Flash n Go Tune \| Delicious Flex Fuel Kit \| Nameless 2.5" with 5" Mufflers \| JDL UEL Headers \| Bayson R Diffuser/Side Skirts \| APR Front Splitter \| VIS Racing GT Wing \| ST Suspension Coilovers \| Grammlights Rays 57CR 17x9 +38 \| Sumitomo HTR Z iii 235/45/17 \|

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06-13-2018, 09:23 PM	#2
J1Avs Senior Member Join Date: Apr 2018 Drives: 2018 BRZ tS Location: Northern VA Posts: 396 Thanks: 239 Thanked 232 Times in 125 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	I’m running the Perrin 2.5 Resonated and will be installing JDL Catted UEL and JDL Catted/Resonated Front/Over Pipe Combo in about a week. Check out some clips on the combo, it has a real nice deep tone and subie rumble without any rasp. I delt with JDL directly over the phone and email and they were great to work with. Only downside is JDL is way more than the Gruppe. I chose going Catted on both to be as safe as possible for emissions.

06-14-2018, 04:03 PM	#9
Hudson456 Junior Member Join Date: Jun 2018 Drives: 2013 BRZ Location: Northeast Posts: 6 Thanks: 0 Thanked 1 Time in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	I'm absolutely in love with my Tanabe Concept G single exit. There is ZERO drone cruising around town, the sound at WOT is louder than stock but doesn't exceed 93 db (per Tanabe) and sounds great. I also dropped 20 lbs swapping from stock. If you like the look of single exit it is a solid choice!

06-15-2018, 01:59 AM	#12
spicetooth Member Join Date: Aug 2014 Drives: 2014 FR-S Location: Ottawa, ON CAN Posts: 28 Thanks: 8 Thanked 2 Times in 2 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Thanks for all of your feedback so far. I found out we only do ECU etest here now and I'm good for another 3 years anyway. Seems the r400 with any catless UEL sounds great as long as there is a resonator on the front pipe. Sent from my ONEPLUS A3000 using Tapatalk

06-15-2018, 01:58 PM	#14
spicetooth Member Join Date: Aug 2014 Drives: 2014 FR-S Location: Ottawa, ON CAN Posts: 28 Thanks: 8 Thanked 2 Times in 2 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	If I buy UEL header, overpipe and cat back as shops recommend, does that mean I am sticking with the stock front pipe that has a cat in it?

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