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GT4RS rear diffuser aero fins

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Old 08-30-2022, 08:25 PM
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Bob Z.
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Did you consider getting the front spoiler ends from the GT4RS as well?
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Old 08-30-2022, 08:30 PM
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Originally Posted by Bob Z.
Did you consider getting the front spoiler ends from the GT4RS as well?
Waiting for Suncoast to come out with the kit...waiting to see if they vetted out the kit for GT4/Spyder
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Old 08-30-2022, 09:06 PM
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Originally Posted by 808c2s
Waiting for Suncoast to come out with the kit...waiting to see if they vetted out the kit for GT4/Spyder
Odds are they will be the same parts as on the upcoming Spyder RS (or whatever they'll call it) but I may want to do the same to my Spyder.
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Old 08-30-2022, 09:46 PM
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Originally Posted by Bob Z.
Did you consider getting the front spoiler ends from the GT4RS as well?
THAT is what I want... the rears are super subtle.. the fronts look great
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Old 08-30-2022, 09:48 PM
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Originally Posted by AtoB
THAT is what I want... the rears are super subtle.. the fronts look great
Update: I talked to Suncoast and here is the kit for the front: https://www.suncoastparts.com/produc...Category_Code=

However, it is much cheaper to buy elsewhere, such as my Post #53 with the part#s and diagram.
Last edited by Bob Z.; 09-02-2022 at 02:38 PM.
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Old 08-30-2022, 09:48 PM
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Why add aero parts to GT4 which are designed for a GT4RS? Could likely have adverse effect. Similar to GTS owners adding the GT4 rear diffuser.
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Old 08-30-2022, 09:52 PM
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Originally Posted by RoadrunnerGTS
Why add aero parts to GT4 which are designed for a GT4RS? Could likely have adverse effect. Similar to GTS owners adding the GT4 rear diffuser.
Gives something to talk about at C&C meet ups.
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Old 08-30-2022, 09:54 PM
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Originally Posted by RoadrunnerGTS
Why add aero parts to GT4 which are designed for a GT4RS? Could likely have adverse effect. Similar to GTS owners adding the GT4 rear diffuser.
To give it a little different look, the same I guess as it is for any cosmetic item. I do not track my car but regardless I doubt these little items will have any adverse effects.
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Old 08-30-2022, 10:07 PM
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Originally Posted by RoadrunnerGTS
Why add aero parts to GT4 which are designed for a GT4RS? Could likely have adverse effect. Similar to GTS owners adding the GT4 rear diffuser.
If you add the front air guides and also the rear wing modification that I have talked about, your car will be balanced. Adding just the front air guides will add a bit more front end grip and can induce some possible oversteer. The side rear mods are mostly for looks and just clean up the rear a bit. Mine are at the dealer. They only become available in right and left this month. Still not sure how to get behind the bumper to drill holes to install them. Appears will have to take the main part of the rear valance off to do so.

Thanks for all the pictures Shawn and 808c2s.
Last edited by lovetoturn; 08-30-2022 at 10:09 PM.
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Old 08-30-2022, 10:16 PM
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Originally Posted by lovetoturn
......The side rear mods are mostly for looks and just clean up the rear a bit.........
And make it more of a PITA on the RSs to apply PPF behind the rear wheels to keep stuff from being thrown up against the bumper.
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Old 08-31-2022, 04:15 AM
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Originally Posted by ExMB
Thx @808c2s

Not sure why @Shawn Hong is so secretive after starting this thread and wanting answers.
Not being secretive. I didnt want to show employee pricing thats all, thats why I only showed the part numbers
Last edited by Shawn Hong; 08-31-2022 at 04:26 AM.
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Old 08-31-2022, 04:19 AM
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Originally Posted by Bob Z.
If I can get part#s I will post them here. These are not them, right? https://www.suncoastparts.com/product/sku718rsubs.html
i’ll check for part number tomorrow. The RS wing part # is available but cant order. Might be the same for the front
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Old 08-31-2022, 04:25 AM
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@808c2s looks like the center piece is identical minus the 3 predrilled holes. do you mind giving me the measurements from one end as a starting point so I can drill the holes? like the distance from this corner to the first hole.



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Old 08-31-2022, 04:34 AM
  #29  
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dont have the screws yet but just did a brief test fit.


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Old 08-31-2022, 04:42 AM
  #30  
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Originally Posted by Shawn Hong
@808c2s looks like the center piece is identical minus the 3 predrilled holes. do you mind giving me the measurements from one end as a starting point so I can drill the holes? like the distance from this corner to the first hole.


@Shawn Hong :From corner to center of 1st hole is 1.5"
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