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Old 02-22-2018, 05:25 AM   #1
JDM4E
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STI flexible draw stiffener experience anyone?

I am ordering the car and I have a bit discount on all accessories vs. buying after. I want STI flexible tower brace, I read nothing but greatness on it.

But also I am considering the draw stiffener, and I cannot find much info on it. i have found on two occasions that people reported much worse handling after install and this piece causing understeer.

Can anybody please relate, who installed this part separately so could feel the difference?

Thanks.
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Old 02-22-2018, 04:36 PM   #2
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I'm curious about this as well. I think the ones reporting understeer had also changed the roll bar too so it was most likely that which was causing it. I'm also curious about the difference between the stock V-braces and the STI flexible V-braces (not the same as the flexible tower brace).
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Old 02-22-2018, 05:07 PM   #3
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What the point of a tower brace if is flexible?
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Old 02-22-2018, 05:23 PM   #4
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The flexible tower brace and the draw stiffeners work together, no point in having just one installed.
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Old 02-22-2018, 06:03 PM   #5
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What the point of a tower brace if is flexible?
I think it only flexes with certain forces. The STI endurance racing team has used them for years and a lot of people have reported positive results so apparently it works. I'm more curious about the V-braces though:

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Old 02-22-2018, 06:41 PM   #6
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I think it only flexes with certain forces. The STI endurance racing team has used them for years and a lot of people have reported positive results so apparently it works. I'm more curious about the V-braces though:

I guess I just think it's bs since it doesn't have any real evidence of working and seems to counter the only thing that people buy these things for (not that I think regular stbs accomplish much either)
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Old 02-22-2018, 11:19 PM   #7
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not sure on those things, but woah did the grimmspeed strut bar make a difference...
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Old 02-22-2018, 11:38 PM   #8
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@kuczynskika has the draw stiffeners and flexible tower brace
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Old 02-23-2018, 12:13 AM   #9
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For me, installed the drawstiffeners and I felt an improvement in overall responsiveness through corners. It’s not massive but it’s there. I can’t complain about understear. I certainly views these as a plus.

I now have the flexible tower bar and I don’t feel much with that. It’s been so long since I been stock that it’s hard to remember any difference. I have no complaints tho.


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Old 02-23-2018, 02:18 AM   #10
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Flexible bracing technology is awesome and amazing for comfort but extremely expensive.

Even when not flexing, these are meant to be softer than say a solid one piece design. These and the Trd under braces are the only 2 piece crossmember braces for our cars, and the one piece underbody braces add a ton of NVH.
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Old 02-23-2018, 09:37 AM   #11
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@kuczynskika Thanks. Did you notice the car more "planted" / "on rails" also during hi-speed straight driving after the install?
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Old 02-23-2018, 10:07 AM   #12
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Quote:
Originally Posted by Code Monkey View Post
The flexible tower brace and the draw stiffeners work together, no point in having just one installed.
You can have the tower brace alone. I have this part in my Forester and my BRZ and it works perfect. The draw stiffeners cannot be installed alone and have a prerequiste to have already the tower brace.
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Old 02-24-2018, 04:06 PM   #13
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Quote:
Originally Posted by JDM4E View Post
@kuczynskika Thanks. Did you notice the car more "planted" / "on rails" also during hi-speed straight driving after the install?
Yes! That's a good way to describe the sensation. Car kinda feels more level? Not sure if thats the best way to describe it.
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Old 02-25-2018, 08:44 PM   #14
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You can have the tower brace alone. I have this part in my Forester and my BRZ and it works perfect. The draw stiffeners cannot be installed alone and have a prerequiste to have already the tower brace.
The 15 and 18 TS only have the V bars, no tower brace. Is this a proper substitute for having stock v bars and the tower bar? Is combining all 3 of them
Overkill?
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