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Porsche GT3 991.1 Performance Upgrades

The 991.1 GT3 marked a significant shift for Porsche purists, introducing a PDK-only transmission and a high-revving naturally aspirated flat-six that remains one of the most celebrated engines in the modern 911 lineup. Exhaust systems and suspension components are the most sought-after upgrades, helping owners enhance the acoustic experience and handling precision of this driver-focused platform.

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  1. Manufacturer
    Boden Autohaus
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Product Type
  1. Exhaust 1 item
  2. Mufflers 1 item
Manufacturer
  1. Akrapovic 1 item
  2. Alpha N 1 item
  3. APR Performance 5 items
  4. Boden Autohaus 1 item
  5. Boost Logic 1 item
  6. Capristo Exhaust 1 item
  7. CSF Radiators 3 items
  8. Fi EXHAUST 1 item
  9. Quicksilver 1 item
  10. Valvetronic 2 items

Curated Brands

3D Design
1016-industries
akrapovic
a13 design technik brand
alpha-n performance brand
ams-performance
AR performance
boost-logic
Brembo brand
Brilliant technical garauge sasaki
Forged wheels
Capristo exaust
Carlex brand
csf cooling experts
Darwin Pro brand
duke-dynamics
eventuri brand
Eurowise brand
exotic-car-gear
eisenmann brand
m-engeniring brand
Forgeline brand
1886 forged wheels brand
fabspeed brand
fi exaust brand
karbonius brand
KW-Suspension brand
mv-forged brand
tneer brand
urban-usa brand
valvetronic design brand
ghost motorsports brand
HRE wheels brand
IPE innotech brand
Kline innovation brand
larte design brand
Meisterschaft brand
Novitec brand
quicksilver-exhaust brand
Soul-Performance brand
Tillet Racing Seats brand
Venuum brand
VF-Engineering brand
Zacoe brand

Some of our Curated Brands may not have their products listed on the site, head over to the "Retail Support"  section, or if you are with a shop, the "Wholesale Support"  section, and let us know what upgrades you are after, and our specialists will help.