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Go Back   Subaru Impreza WRX STI Forums: IWSTI.com > GR Series STi Discussion (2008+) > GR-Technical > GR-Interior


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Old 06-11-2009, 12:23 PM   #1
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Default 08'/09' STi "seat mod" write up w/pics...for your bolstering needs

I came across a post where "GChislett" mentioned a "seat-mod" for the 08's to get more bolster out of them. Nowhere else other then his single post mentioning it have I heard anything about this.

Everyone who has sat in my seats loves them..Even people driving older STi's with the better seats say my 08' seats hold them in better now.

So I figured ide make a quick and dirty write up for anyone who is interested. The mod is 100% reversable if you do not wish to keep it like this, Plus it only takes a minute to do this mod. Also it can be done on the passenger seat as well.

Step 1) Find the large zipper closest to the door. The Bottom of the zipper has about 3 inches of slack that is tucked in the seat, and is kinda tough to get. I used needle nose pliers and tugged on it pretty hard til it came out. (this was the hardest part of the mod)



Step 2) Un-zip the zipper all the way, and open it up, You will see there is some weird plastic covering everything, I have no clue what the plastic does, but it ripped mine outa the way, and its been fine since...There is 3 hooks, connected to springs that are hooked to lil plastic piece, All you have to do is unhook each of them them off the white plastic pieces. You only need to do 1 side to make this mod work

Once that is done, just let them hang there, Might be a goooood idea to put some tape around the end of the hook so it doesnt poke through the back of your seat there will be no noise or issues if you leave them like that (this is what im doing)

Un-hook these hooks off the plastic (there is 3 of them)


Step 3) Zip back the rear of the seat, tuck in the extra slack of zipper, and enjoy your seats as your being held tighter in corners now!

Ive had this mod done for the past 6k miles, and the seats have been perfect, with no stretching or anything..Im not a small, lightweight guy either...

Great mod IMO, makes the seats super comfy, and grips you much better in corners....Oh and its completely reversable!
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Tuned by HB Speed, Invidia catless DP, Perrin quad tip CBE, Perrin F/R sway bars, Rallitek HD Front endlinks, Perrin rear endlinks, Whiteline sway bar support bracket, Perrin drop in air filter, 18x9.5 Rota DPT, 265/35/18 Dunlop Star Specs, Tanabe GF210 lowering springs, Racing Brake front/rear rotors, Project MU front/rear pads, SS brake lines, Bride Cuga's, Spec-C roof vent. Blacktop aero CF lip, Defi red racer boost guage, Lamin-X red tailight overlays

Last edited by xxINKxx; 06-11-2009 at 05:57 PM.
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Old 06-11-2009, 12:31 PM   #2
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Default Re: 08'/09' STi "seat mod" for your bolstering needs

Can you notice a differance just by looking at them? If so could you post a pic of your seat please? Thanks
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Old 06-11-2009, 12:33 PM   #3
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Default Re: 08'/09' STi "seat mod" for your bolstering needs

Seats look the same just by looking at them, you sink in once you sit..

I'll snap a pic..brb
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Tuned by HB Speed, Invidia catless DP, Perrin quad tip CBE, Perrin F/R sway bars, Rallitek HD Front endlinks, Perrin rear endlinks, Whiteline sway bar support bracket, Perrin drop in air filter, 18x9.5 Rota DPT, 265/35/18 Dunlop Star Specs, Tanabe GF210 lowering springs, Racing Brake front/rear rotors, Project MU front/rear pads, SS brake lines, Bride Cuga's, Spec-C roof vent. Blacktop aero CF lip, Defi red racer boost guage, Lamin-X red tailight overlays
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Old 06-11-2009, 12:44 PM   #4
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Default Re: 08'/09' STi "seat mod" for your bolstering needs

Ok heres the pics of the seats you requested...Its about to rain so the lighting + not that great of a camera doesnt help quality...I tried to get a top angle view to show the backs and if they bolster visually, compared to your non modded seat..

Hope this helps...my cars has dirt and tire marks all over from my downhill mtn bike i stuffed in the hatch




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Tuned by HB Speed, Invidia catless DP, Perrin quad tip CBE, Perrin F/R sway bars, Rallitek HD Front endlinks, Perrin rear endlinks, Whiteline sway bar support bracket, Perrin drop in air filter, 18x9.5 Rota DPT, 265/35/18 Dunlop Star Specs, Tanabe GF210 lowering springs, Racing Brake front/rear rotors, Project MU front/rear pads, SS brake lines, Bride Cuga's, Spec-C roof vent. Blacktop aero CF lip, Defi red racer boost guage, Lamin-X red tailight overlays
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Old 06-11-2009, 01:40 PM   #5
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Default Re: 08'/09' STi "seat mod" write up w/pics...for your bolstering needs

Okay I see. Sick thanks I may try this out to see how I like it. Does the back just sink in when you sit in it?
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Old 06-11-2009, 02:25 PM   #6
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Default Re: 08'/09' STi "seat mod" write up w/pics...for your bolstering needs

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Okay I see. Sick thanks I may try this out to see how I like it. Does the back just sink in when you sit in it?
Ya the center goes in about 1 - 2 extra inches, and the sides now grip your body better
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Tuned by HB Speed, Invidia catless DP, Perrin quad tip CBE, Perrin F/R sway bars, Rallitek HD Front endlinks, Perrin rear endlinks, Whiteline sway bar support bracket, Perrin drop in air filter, 18x9.5 Rota DPT, 265/35/18 Dunlop Star Specs, Tanabe GF210 lowering springs, Racing Brake front/rear rotors, Project MU front/rear pads, SS brake lines, Bride Cuga's, Spec-C roof vent. Blacktop aero CF lip, Defi red racer boost guage, Lamin-X red tailight overlays
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Old 06-11-2009, 03:18 PM   #7
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Default Re: 08'/09' STi "seat mod" write up w/pics...for your bolstering needs

is there an equivalent to doing to the bottom of the seat too? not just the back?
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Old 06-11-2009, 04:39 PM   #8
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Default Re: 08'/09' STi "seat mod" write up w/pics...for your bolstering needs

sounds like something i'll try very soon~


just afraid it might do something to inadvertently effect the air bags in the seats?
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Old 06-11-2009, 05:12 PM   #9
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Default Re: 08'/09' STi "seat mod" write up w/pics...for your bolstering needs

I have looked at this before in my car and decided it was a bad idea because it appeared to let the occupant's weight stress the upholstery seams excessively. I do not want my crappy seats ripping apart even sooner than expected.
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Old 06-11-2009, 05:53 PM   #10
The Next Petter Solberg
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Default Re: 08'/09' STi "seat mod" write up w/pics...for your bolstering needs

Quote:
Originally Posted by pio!pio! View Post
is there an equivalent to doing to the bottom of the seat too? not just the back?
could be something to look into if you have lots of free time on ur hands, Im just scared it may effect something under the seat

Quote:
Originally Posted by GhoSStRyda View Post
sounds like something i'll try very soon~


just afraid it might do something to inadvertently effect the air bags in the seats?
The back of the seat wont affect anything, and its reversable if u dont like it, only thing that might effect is whatever is under the seats if you try to rig that... possible airbag sensor like the older years ect ect
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2008 STi- Aspen white I <3 My Suby

Tuned by HB Speed, Invidia catless DP, Perrin quad tip CBE, Perrin F/R sway bars, Rallitek HD Front endlinks, Perrin rear endlinks, Whiteline sway bar support bracket, Perrin drop in air filter, 18x9.5 Rota DPT, 265/35/18 Dunlop Star Specs, Tanabe GF210 lowering springs, Racing Brake front/rear rotors, Project MU front/rear pads, SS brake lines, Bride Cuga's, Spec-C roof vent. Blacktop aero CF lip, Defi red racer boost guage, Lamin-X red tailight overlays
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