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Discussion Starter · #1 ·
I just bought a 2019 GTS 2.5 I want to modify. Anyone had success with certain rear wings?
louder exhaust to mesh w PSE? Found any tunes that usually won’t void the factory warranty? I want to track my car so getting it ready along w the less fun things like brakes and fluids etc.
 

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I wonder if the GT4 ducktail spoiler (not the big wing) is a direct replacement for the cayman?

If you want to keep your PSE, the only real way to get more volume is by either getting a high flow cat or going catless. If you are considering a tune, I would say just go catless as it will sound the best and the tune will take care of the check engine light. Unless you find a Porsche dealer that is willing to install a tune for you, I think you would definitely run into warranty issues should something go wrong while tuned. Perhaps look into APR as I believe you can purchase a warranty from them (though you would be relying on them to honor any repair costs and not Porsche).
 

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Discussion Starter · #4 ·
I wonder if the GT4 ducktail spoiler (not the big wing) is a direct replacement for the cayman?

If you want to keep your PSE, the only real way to get more volume is by either getting a high flow cat or going catless. If you are considering a tune, I would say just go catless as it will sound the best and the tune will take care of the check engine light. Unless you find a Porsche dealer that is willing to install a tune for you, I think you would definitely run into warranty issues should something go wrong while tuned. Perhaps look into APR as I believe you can purchase a warranty from them (though you would be relying on them to honor any repair costs and not Porsche).
Thank you! That is helpful.
 

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I just bought a 2019 GTS 2.5 I want to modify. Anyone had success with certain rear wings?
louder exhaust to mesh w PSE? Found any tunes that usually won’t void the factory warranty? I want to track my car so getting it ready along w the less fun things like brakes and fluids etc.
I have a 2019 Chalk MT GTS.
First mod was a Soul Performance 200cell Cat Downpipe with a dry aFe airfilter. The exhaust note sounds great with the PSE. *No codes and no exhaust residue on the rear bumper cover.
I've AX'd and tracked the car a couple of times (Barber MSP / NCM) over the last 18 months and found the brake performance sub-par to say the least. I really didn't like the pedal traveling past the gas pedal! The no-confidence braking performance really detracted from my track time.
In an attempt to remedy this, I upgraded the Master Cylinder to the 981 Spyder MC: 99135513027 / rep. by 99135513028 (brake booster remains standard equip) (email Suncoast Parts). Please note that I installed Feredo DS 1.11 pads at same time, but WOW! The upgraded MC with DS 1.11's doesn't even have me considering a big brake kit any longer! I am already looking for replacement rotors with how the Feredo's grab! * I use Castrol SRF fluid as my 'Track Insurance'.
My next purchase will be a second set of wheels for AX and HPDE duties. I'm looking at the 18" Titan 7 T-S5's with an endurance 200tw tire choice. I'm not overly concerned with the absolute best AX times, I'd rather get a couple of HPDE weekends out of set. Also, I'm doing as much review reading of the DSC PASM controller. I feel like the the front of the car gets 'floaty' at 100+ mph. I'm not sure if the DSC would help with that or not? I'm looking for a front splitter option to help in the near term.
Now that I have by braking performance sorted, I am very motivated to get the APR Stg1 tune installed (once my warranty expires).
*My first stop was the Porsche dealership for a track alignment. The factory setting on my car was a more AX inspired set-up (sharper turn in at lower speeds).
 

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I wonder if the GT4 ducktail spoiler (not the big wing) is a direct replacement for the cayman?
FYI, I think my TWL duck tail looks very much like the GT4's.
 

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Yes I really like the TWL duck tail. I was just wondering if the GT4's was a direct OEM replacement. Surprised no one has done this yet (or maybe its not possible?)
I was bored today and found what I think is the part number for the OEM 718 GT4 lower spoiler. Take the plunge and let us know. :)

 
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