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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 03-26-2019, 11:32 PM   #1
FRSluke
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Header questions and recommendations

Hello

Iím new to modding cars as this is my first sports car. I currently have a Borla Catback exhaust on my FRS. I love the sound, but I have been thinking of picking up some Borla UEL headers for my car also. I just wanted to know how much the sound is going to increase. I donít mind it being louder, I just donít want my neighbors to hate me. I also daily drive my FRS so it would be nice if it didnít add much drone.

If anyone has this setup already or a similar one, I would love some feedback. I would be open to suggestions on headers that may be quieter than others.

I basically just want to get rid of the torque dip and have a small increase in sound. If I get headers, I will also get the OFT and use the stage 2 tune!

Thanks!
Luke
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Old 03-27-2019, 12:08 AM   #2
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Originally Posted by FRSluke View Post
Hello

Iím new to modding cars as this is my first sports car. I currently have a Borla Catback exhaust on my FRS. I love the sound, but I have been thinking of picking up some Borla UEL headers for my car also. I just wanted to know how much the sound is going to increase. I donít mind it being louder, I just donít want my neighbors to hate me. I also daily drive my FRS so it would be nice if it didnít add much drone.

If anyone has this setup already or a similar one, I would love some feedback. I would be open to suggestions on headers that may be quieter than others.

I basically just want to get rid of the torque dip and have a small increase in sound. If I get headers, I will also get the OFT and use the stage 2 tune!

Thanks!
Luke
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Old 03-27-2019, 12:14 AM   #3
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Problem - toque dip
Solution - down shift
Problem solved.
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Old 03-27-2019, 12:31 AM   #4
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Punch out OEM header.

OFT catless header tune and OFT the coldstart away.

Cost: 1 x OFT, 3 x gaskets.

LOL, torque dip.....��.........��
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Old 03-27-2019, 12:51 AM   #5
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Removing the main cat or getting a proper catless header and tune will get rid of the torque dip. It may or may not be too loud afterwards.
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Old 03-27-2019, 02:22 AM   #6
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Removing the main cat or getting a proper catless header and tune will get rid of the torque dip. It may or may not be too loud afterwards.
Debatable IRT "dip", depends on alot of variables.

My decat OEM header has a low in basically the same spot.

I run Ecutek and my tuner has 20 odd years experience with it.

I find that when cruising around in the "dip" my fuel economy is excellent.

When I'm "up it" it's never near the "dip" anyway.

Opinions may vary
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Old 03-27-2019, 02:12 PM   #7
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I just wanted to know how much the sound is going to increase.
A catless header will substantially increase volume, particularly during cold start. It will be a serious difference. Whether it's too big of a difference, only you can answer. See if you can find someone local that has a catless UEL that you can listen to.

Edit: if it helps, think of it this way. It will change the noise from "sporty car" to "obviously modified."
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