Tone/Volume of Different UEL Headers - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Colorblind Kid · 10-03-2018, 04:10 PM

What's up everyone! So this might be a stupid question but I have not been able to find a definitive answer from researching.

Do catless UEL headers from different companies differ in sound output in terms of tone and volume? Do some catless UEL headers produce more rasp than others, and are some louder/deeper than others?

Obviously each exhaust set up is different, and catted headers change the tone but if anyone knows how different catless UEL headers stack up against each other in sound quality or if I could be pointed in the right direction, that would be great.

Thanks in advance!!

86TOYO2k17 · 10-03-2018, 04:18 PM

The main differences in sound will be UEL vs EL, cats vs no cats or 1 cat, number of resonators and then largely the catback exhaust those will all make a bigger difference in the sound.
As far as specifically between brands of UEL, that would depend on the thickness / weight of material, runner lengths, and the angle of bends.

Strife26 · 10-03-2018, 04:56 PM

Yes. But many factors play a part. You have 4-5 exhaust pieces which all have an effect on the sound. Cats, resonators and mufflers all help lower and control the sound and rasp.

I have a high flow cat, resonator and 7" mufflers and I love the sound and level of my exhaust.

Sent from my SM-G950U using Tapatalk

JIM THEO · 10-03-2018, 05:04 PM

From my 18 years experience with Subarus the more UEL a header is the more boxer/rumble it sounds, I fitted Gruppe-S UEL headers and as far as I can tell it is real boxer but quite muted as second cat and silencers cut most of the excess noise, I could tell OFH have the most rumble from all the others!

Lantanafrs2 · 10-03-2018, 05:09 PM

Jesus

Strife26 · 10-03-2018, 05:12 PM

There should be a post somewhere with all the different headers out there and possibly sound, but I'd say it's almost impossible to know the exact sound because it will depend on all portions of the exhaust.

Sent from my SM-G950U using Tapatalk

Colorblind Kid · 10-03-2018, 06:01 PM

Thank you for all the replies! I agree it's hard to determine sound based just off the header, but I feel it can definitely play a role in a full exhaust system.

It's helpful knowing the characteristics of each brand's header such as learning the OFH has a lot of UEL rumble more so than others. Obviously a lot of it can be subjective, but if there is a commonality for what people say about a brand's header then that would be interesting to learn about as well. If you guys know of any specifics regarding other brands that would be great too. I've heard Borla's header is super raspy.

Strife26 · 10-03-2018, 06:21 PM

My (work in progress) car channel:
https://www.youtube.com/channel/UCAF..._as=subscriber

My everything channel:
https://www.youtube.com/channel/UClH..._as=subscriber

They both have sound clips of my car throughout me owning it. All descriptions should have the parts list.

Idk if it will help or if you care to listen, but that's the stock all the way to Gruppe-S with a turbo kit. I've had 3 different exhaust setups so far, all have had the Gruppe-S because I keep hearing it's the best bang for buck header out there.

Lantanafrs2 · 10-03-2018, 06:32 PM

Buy a header and leave the rest of exhaust stock. You'll be fine.

RJasonKlein · 10-03-2018, 10:07 PM

Quote:

Originally Posted by Lantanafrs2

Buy a header and leave the rest of exhaust stock. You'll be fine.

Yeah, if you’re alright with your car sounding like shit. Have you actually heard a car with a header and stock exhaust?

Strife26 · 10-03-2018, 10:15 PM

Quote:

Originally Posted by RJasonKlein

Yeah, if you’re alright with your car sounding like shit. Have you actually heard a car with a header and stock exhaust?

Sounds stock, haha. It's boring, imo.

Lantanafrs2 · 10-04-2018, 07:07 AM

Quote:

Originally Posted by RJasonKlein

Yeah, if you’re alright with your car sounding like shit. Have you actually heard a car with a header and stock exhaust?

Yeah, my car. Fwiw I think these things sound like shit with loud exhausts.

Lantanafrs2 · 10-04-2018, 07:08 AM

I'd rather go slow quietly.

tomm.brz · 10-04-2018, 07:25 AM

Quote:

Originally Posted by JIM THEO

From my 18 years experience with Subarus the more UEL a header is the more boxer/rumble it sounds, I fitted Gruppe-S UEL headers and as far as I can tell it is real boxer but quite muted as second cat and silencers cut most of the excess noise, I could tell OFH have the most rumble from all the others!

you have to hear at HKS boxer spec then

10-03-2018, 04:10 PM	#1
Colorblind Kid Member Join Date: Mar 2016 Drives: WRB BRZ Location: Bay Area Posts: 13 Thanks: 1 Thanked 1 Time in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Tone/Volume of Different UEL Headers What's up everyone! So this might be a stupid question but I have not been able to find a definitive answer from researching. Do catless UEL headers from different companies differ in sound output in terms of tone and volume? Do some catless UEL headers produce more rasp than others, and are some louder/deeper than others? Obviously each exhaust set up is different, and catted headers change the tone but if anyone knows how different catless UEL headers stack up against each other in sound quality or if I could be pointed in the right direction, that would be great. Thanks in advance!!

10-03-2018, 04:56 PM	#3
Strife26 Senior Member Join Date: Sep 2014 Drives: 2015 Subaru BRZ Series.blue Location: Redding, CA Posts: 651 Thanks: 1,076 Thanked 150 Times in 115 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	Yes. But many factors play a part. You have 4-5 exhaust pieces which all have an effect on the sound. Cats, resonators and mufflers all help lower and control the sound and rasp. I have a high flow cat, resonator and 7" mufflers and I love the sound and level of my exhaust. Sent from my SM-G950U using Tapatalk __________________ Please only adult answers. I'm stupid, retarded, a fkn idiot, and I will kill myself after a couple answers, I already know this (thanks to the interwebs and its logic) so feel free to leave those responses out, thanks.

10-03-2018, 05:12 PM	#6
Strife26 Senior Member Join Date: Sep 2014 Drives: 2015 Subaru BRZ Series.blue Location: Redding, CA Posts: 651 Thanks: 1,076 Thanked 150 Times in 115 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	There should be a post somewhere with all the different headers out there and possibly sound, but I'd say it's almost impossible to know the exact sound because it will depend on all portions of the exhaust. Sent from my SM-G950U using Tapatalk __________________ Please only adult answers. I'm stupid, retarded, a fkn idiot, and I will kill myself after a couple answers, I already know this (thanks to the interwebs and its logic) so feel free to leave those responses out, thanks.

10-03-2018, 06:01 PM	#7
Colorblind Kid Member Join Date: Mar 2016 Drives: WRB BRZ Location: Bay Area Posts: 13 Thanks: 1 Thanked 1 Time in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Tone/Volume of Different UEL Headers Thank you for all the replies! I agree it's hard to determine sound based just off the header, but I feel it can definitely play a role in a full exhaust system. It's helpful knowing the characteristics of each brand's header such as learning the OFH has a lot of UEL rumble more so than others. Obviously a lot of it can be subjective, but if there is a commonality for what people say about a brand's header then that would be interesting to learn about as well. If you guys know of any specifics regarding other brands that would be great too. I've heard Borla's header is super raspy.

10-03-2018, 06:21 PM	#8
Strife26 Senior Member Join Date: Sep 2014 Drives: 2015 Subaru BRZ Series.blue Location: Redding, CA Posts: 651 Thanks: 1,076 Thanked 150 Times in 115 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	My (work in progress) car channel: https://www.youtube.com/channel/UCAF..._as=subscriber My everything channel: https://www.youtube.com/channel/UClH..._as=subscriber They both have sound clips of my car throughout me owning it. All descriptions should have the parts list. Idk if it will help or if you care to listen, but that's the stock all the way to Gruppe-S with a turbo kit. I've had 3 different exhaust setups so far, all have had the Gruppe-S because I keep hearing it's the best bang for buck header out there. __________________ Please only adult answers. I'm stupid, retarded, a fkn idiot, and I will kill myself after a couple answers, I already know this (thanks to the interwebs and its logic) so feel free to leave those responses out, thanks.

10-03-2018, 04:18 PM	#2
86TOYO2k17 Senior Member Join Date: Jan 2018 Drives: 2017 toyota 86 Location: PNW Posts: 2,131 Thanks: 336 Thanked 1,188 Times in 781 Posts Mentioned: 16 Post(s) Tagged: 0 Thread(s)	The main differences in sound will be UEL vs EL, cats vs no cats or 1 cat, number of resonators and then largely the catback exhaust those will all make a bigger difference in the sound. As far as specifically between brands of UEL, that would depend on the thickness / weight of material, runner lengths, and the angle of bends.

10-03-2018, 05:04 PM	#4
JIM THEO Senior Member Join Date: Feb 2018 Drives: BRZ 2018 Location: Greece Posts: 495 Thanks: 119 Thanked 135 Times in 95 Posts Mentioned: 6 Post(s) Tagged: 0 Thread(s)	From my 18 years experience with Subarus the more UEL a header is the more boxer/rumble it sounds, I fitted Gruppe-S UEL headers and as far as I can tell it is real boxer but quite muted as second cat and silencers cut most of the excess noise, I could tell OFH have the most rumble from all the others!

10-03-2018, 05:09 PM	#5
Lantanafrs2 Senior Member Join Date: Jan 2018 Drives: 2013 frs red Location: South Florida Posts: 3,517 Thanks: 2,520 Thanked 3,088 Times in 1,654 Posts Mentioned: 6 Post(s) Tagged: 1 Thread(s)	Jesus

10-03-2018, 06:32 PM	#9
Lantanafrs2 Senior Member Join Date: Jan 2018 Drives: 2013 frs red Location: South Florida Posts: 3,517 Thanks: 2,520 Thanked 3,088 Times in 1,654 Posts Mentioned: 6 Post(s) Tagged: 1 Thread(s)	Buy a header and leave the rest of exhaust stock. You'll be fine.

10-04-2018, 07:08 AM	#13
Lantanafrs2 Senior Member Join Date: Jan 2018 Drives: 2013 frs red Location: South Florida Posts: 3,517 Thanks: 2,520 Thanked 3,088 Times in 1,654 Posts Mentioned: 6 Post(s) Tagged: 1 Thread(s)	I'd rather go slow quietly.

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