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718 GTS 4.0/GT4/GT4RS/Spyder/25th Anniversary Discussions about the 718 version of the GT4RS, GTS 4.0, GT4, Spyder and 25th Anniversary Boxster
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GT4RS rear diffuser aero fins

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Old 09-23-2022 | 11:58 PM
  #121  
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Saw these tonight...like the OEMs better though but if someone likes CF they have a lot of parts in that: https://friedrich-pm.com/produkt/car...satz-2-stueck/
Old 09-24-2022 | 03:43 AM
  #122  
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Originally Posted by mrandoms
what size wing is this 1450 or 1600?

1450RS
Old 09-24-2022 | 11:10 PM
  #123  
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My fins arrived today and I plan to install them tomorrow. I am not planning to remove the diffuser to install them since I am not going to drill the holes for bolts; however, does anyone know if I have to separate the diffuser halves in order to attach the fins with the tabs/hooks? Or can I slide them into place without having to do anything to the diffuser?
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AtoB (09-24-2022)
Old 09-25-2022 | 10:05 PM
  #124  
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Easy-peasy...I should have waited until I tried them before asking questions. I did not drill any holes but I used a few tabs of 3M tape where the fins touch the diffuser...great look for little money:




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IRM (09-26-2022)
Old 09-25-2022 | 10:07 PM
  #125  
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Originally Posted by Bob Z.
Easy-peasy...I should have waited until I tried them before asking questions. I did not drill any holes but I used a few tabs of 3M tape where the fins touch the diffuser...great look for little money:



BINGO.. im there!
thanks Bob
Old 10-07-2022 | 12:51 PM
  #126  
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easiest install yet...


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Ken in San Diego (10-07-2022)
Old 10-07-2022 | 12:59 PM
  #127  
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Originally Posted by AtoB
easiest install yet...

Looks fantastic and completes the look of the car. Especially when you compare to the front end of the car that does wrap around to the sides a bit. Now, the rear end does too. Not sure it makes much of a real aerodynamic difference, but I don't think this is really the point for this mod.
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Old 10-07-2022 | 01:11 PM
  #128  
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100% agree now that I am seeing in the flesh
Old 10-07-2022 | 06:44 PM
  #129  
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Can someone take a photo standing back a bit, just curious to see them in the context of the entire car. Looks like a nice little addition to the rear.
Old 10-07-2022 | 07:06 PM
  #130  
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Originally Posted by UncleDude
Can someone take a photo standing back a bit, just curious to see them in the context of the entire car. Looks like a nice little addition to the rear.
Just Google "GT4RS" and click on "Images", which is what I did when I wanted to see the same.
Old 10-07-2022 | 08:57 PM
  #131  
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Originally Posted by UncleDude
Can someone take a photo standing back a bit, just curious to see them in the context of the entire car. Looks like a nice little addition to the rear.
here you go



Old 10-07-2022 | 09:21 PM
  #132  
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Nice, thank you!
Old 10-07-2022 | 09:25 PM
  #133  
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Originally Posted by Ken in San Diego
Not sure it makes much of a real aerodynamic difference, but I don't think this is really the point for this mod.
Not at the speed that we are at on the streets, but suppose to help with more vacuum of the underside at track speed (>125 mph) per Porsche's GT4RS website . That, along with the front underbody air deflectors completes the package per their description of underside vacuum.
Old 10-07-2022 | 11:23 PM
  #134  
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Originally Posted by 808c2s
Not at the speed that we are at on the streets, but suppose to help with more vacuum of the underside at track speed (>125 mph) per Porsche's GT4RS website . That, along with the front underbody air deflectors completes the package per their description of underside vacuum.
makes sense. But at such high speeds, you think tap will hold these on the car?
Old 10-07-2022 | 11:38 PM
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Originally Posted by UncleDude
Nice, thank you!
you're too kind.. my pics suck... the fins fill out the rear defuser really well!


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