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Old 05-31-2018, 08:10 PM   #29
spike021
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Originally Posted by DSOmegaX View Post
The above is in reference to having the JDM pink springs for 15mm drop paired with the TRD fender extensions
Ah true, I was only referencing the JDM springs, haha.
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It sounds to me like the delicate, metallic sounds of piston skirts slapping against the cylinder walls
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Old 06-01-2018, 01:40 AM   #30
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The above is in reference to having the JDM pink springs for 15mm drop paired with the TRD fender extensions
Those fender extensions look great. Do they come in WRB?

Last edited by Elliotw; 06-01-2018 at 11:16 AM.
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Old 06-01-2018, 02:46 AM   #31
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Those fender extensions look great. Do they come in WRB? Ive been considering doing the TRD rear window louvers. Any thoughts? I think it would look cool with the big spoiler of the tS.

Got them painted. Thereís an option to receive them unpainted but primered
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Old 06-01-2018, 11:52 AM   #32
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I am curious other people's opinions on two parts I'm considering for my car.
1. TRD Carbon Areo fins (I'm 90% sure on this one)


2. TRD Read Louvers( I'm 50% sure on this one) These seem like they would look great on a car with a wing
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Old 06-01-2018, 12:38 PM   #33
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I love the louvers, they are on my short list currently. Also a fan of the TRD fender garnish, I want something similar for my BRZ but I feel weird putting TRD branded parts on a "Subaru". lol
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Old 06-01-2018, 01:06 PM   #34
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Originally Posted by Elliotw View Post
I am curious other people's opinions on two parts I'm considering for my car.
1. TRD Carbon Areo fins (I'm 90% sure on this one)


2. TRD Read Louvers( I'm 50% sure on this one) These seem like they would look great on a car with a wing
TRD aero fins, yes, if painted. TRD on BRZ is weird.

TRD rear louvers, no. It'll destroy the effectiveness of that giant wing. Louvers completely screw up the boundary layer on the rear of the car, adding turbulence and a low pressure area. The wing won't get any clean air. It'd effectively make the wing not exist aerodynamically, and create lift in the process. Double fail.

I love the look of the louvers, but aerodynamically they are a huge fail.
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Old 06-01-2018, 05:14 PM   #35
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Originally Posted by johan View Post
TRD aero fins, yes, if painted. TRD on BRZ is weird.

TRD rear louvers, no. It'll destroy the effectiveness of that giant wing. Louvers completely screw up the boundary layer on the rear of the car, adding turbulence and a low pressure area. The wing won't get any clean air. It'd effectively make the wing not exist aerodynamically, and create lift in the process. Double fail.

I love the look of the louvers, but aerodynamically they are a huge fail.
I agree Louvers really look the business. I want to get the Carbon Aero fins as they would match the spoiler. I'm not sure how the TRD is attached. Is it a sticker? or is it painted on?
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Old 06-01-2018, 06:11 PM   #36
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I agree Louvers really look the business. I want to get the Carbon Aero fins as they would match the spoiler. I'm not sure how the TRD is attached. Is it a sticker? or is it painted on?
Good point, maybe they can be removed easily. Even if silk printed, you could buff off with compound.
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Old 06-01-2018, 06:43 PM   #37
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Originally Posted by johan View Post
TRD aero fins, yes, if painted. TRD on BRZ is weird.

TRD rear louvers, no. It'll destroy the effectiveness of that giant wing. Louvers completely screw up the boundary layer on the rear of the car, adding turbulence and a low pressure area. The wing won't get any clean air. It'd effectively make the wing not exist aerodynamically, and create lift in the process. Double fail.

I love the look of the louvers, but aerodynamically they are a huge fail.
Iím 95% sure that TRD stated that the louvers were a functional aerodynamic piece and shaped with airflow in mind.
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Old 06-01-2018, 07:05 PM   #38
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Iím 95% sure that TRD stated that the louvers were a functional aerodynamic piece and shaped with airflow in mind.
Marketing hyperbole.

Louvers only provide an aerodynamic benefit if they are open on both sides to allow air to flow out of a high pressure zone and into a low pressure zone. That's why they're used on hoods and fenders, or on rear-roof area of a mid-engine supercar. To alleviate pressure under hood or in wheel-well.

If no air is actually flowing through the louver, it's just creating turbulence as air attempts to fill the voids underneath each step. The resultant lack of a functional boundary layer on the rear of the car creates a lot of useless turbulent air, which will be fed to the spoiler.
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Old 06-01-2018, 07:08 PM   #39
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To be clear, I'm not hating on the louvers, I think they look sick. I've seen several BRZs/FR-S with louvers in person. Love it...

But Elliot has a tS, with the giant stock wing. I feel I have a responsibility to speak up and be real about the negative aero impact louvers would have.

Of course, if he doesn't care, whatever... car will still drive fine, just won't hug the road/track as well.
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Old 06-01-2018, 07:23 PM   #40
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Marketing hyperbole.

Louvers only provide an aerodynamic benefit if they are open on both sides to allow air to flow out of a high pressure zone and into a low pressure zone. That's why they're used on hoods and fenders, or on rear-roof area of a mid-engine supercar. To alleviate pressure under hood or in wheel-well.

If no air is actually flowing through the louver, it's just creating turbulence as air attempts to fill the voids underneath each step. The resultant lack of a functional boundary layer on the rear of the car creates a lot of useless turbulent air, which will be fed to the spoiler.
I'm not sure I am grasping this. Would having a big spoiler instead of a big wing make louvers worthwhile? Also where can I read more on this? My googling failed me.
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Old 06-01-2018, 11:31 PM   #41
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I think this video is what Johan is talking about.

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Old 06-02-2018, 12:07 PM   #42
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So I was going back and forth on selling my OEM tS wheels. I got one solid offer and a ton of low balls haha. I decided I want to keep the wheels but powder coat them a new color. I already have dark wheels with my Weds. So I was thinking of doing a powder coat gold to tribuate back to original STI classsic WRB and gold. Or I was thinking go crazy and get them in red. I'm leaning towards gold its a more OEM look. Any thoughts?



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