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Project Cayman GTS 4.0
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Project Cayman GTS 4.0 – Introduction

  • Aaron LaBeau

The Pre-Purchase Inspection (PPI)

When investing in a car at this level, a proper PPI isn’t just recommended – it’s essential. I’m not talking about a quick lift inspection, but rather a comprehensive 6-8 hour evaluation. Through the 718 forum, I found Autoscope of Plano, TX (where the car was located) highly recommended. Their inspection covered everything: brakes, battery, A/C, paint thickness measurements to verify original panels, and even PPF condition assessment. Crucially, they discovered the brake fluid’s water content was high, contradicting Porsche’s claim of recent service. While no PPI can guarantee perfection, this level of scrutiny provides substantial peace of mind.

Paint thickness measurements revealed consistent readings across panels, confirming original paint and proper previous repairs.

Previous Owner’s Modifications

The first owner made thoughtful modifications that enhanced the car’s character without compromising its integrity. The Soul over-axle pipes eliminated the particulate filters, improving sound quality and adding modest power. The owner plugged vacuum lines, keeping the PSE sports exhaust valves permanently open. The dealer-installed track pack PPF protected the front third, lower rockers, and side vent intakes. A GT4 short shifter from Suncoast parts tightened up the gear changes.

The GT4 short shifter upgrade provides more precise gear engagement and shorter throws, enhancing the manual transmission experience.
Small details like the sun visor air bag warning covers add subtle personalization while maintaining the factory aesthetic.

The red overboost button sticker (a nod to the 911) and subtle sun visor covers maintained the interior’s clean aesthetic. A dashcam rounded out the practical upgrades.

The drive mode selector offers distinct personalities – from comfortable daily driver to sharp-edged sports car at the twist of a dial.
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  • Jeff Naeyaert
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Project GT3RS Saving Weight With Advan Wheels and Dundon Motorsports Exhaust

  • Mike Kojima
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7 comments
  1. Khiem Dinh says:
    July 21, 2025 at 7:27 am

    it’s a 991 GT3RS!

    https://motoiq.com/category/projects/porsche/991-gt3rs/

    Reply
    1. Aaron says:
      July 22, 2025 at 5:22 pm

      it’s a 991 GT3RS!

      https://motoiq.com/category/projects/porsche/991-gt3rs/

      Reply
  2. Tsukiji Fish Market says:
    July 21, 2025 at 9:23 pm

    it’s a 991 GT3RS!

    https://motoiq.com/category/projects/porsche/991-gt3rs/

    Reply
    1. slyvki says:
      July 21, 2025 at 10:04 pm

      it’s a 991 GT3RS!

      https://motoiq.com/category/projects/porsche/991-gt3rs/

      Reply
    2. Khiem Dinh says:
      July 22, 2025 at 7:03 am

      it’s a 991 GT3RS!

      https://motoiq.com/category/projects/porsche/991-gt3rs/

      Reply
  3. Ben says:
    August 15, 2025 at 7:15 am

    it’s a 991 GT3RS!

    https://motoiq.com/category/projects/porsche/991-gt3rs/

    Reply
    1. Aaron LaBeau says:
      August 15, 2025 at 8:14 am

      it’s a 991 GT3RS!

      https://motoiq.com/category/projects/porsche/991-gt3rs/

      Reply

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