991 Roof Fins (WITHOUT SUNROOF)
*We are taking pre-orders starting Sunday June 1st. End date for the batch 1 pre-orders of each item is Monday, June 30th. Target ship date for all orders is by the second week of July. All orders will have shipping free of charge until Monday, June 30th.*
**We are not taking international orders at this time
3D printed using carbon-reinforced nylon filament. Two-pieces each side (4 pieces total), unpainted, black in color. Precut 3M VHB automotive double sided tape applied to fins for easy installation and ultra strong adhesion. See Install PDF below for installation instructions.
Function: aides in optimizing airflow over the vehicle by directing air more cleanly toward the rear, in theory reducing turbulence and directing airflow over the roof.
NOTE: tested for both 991.1 and 991.2 coupes with and without sunroof.
Non-sunroof roof fins are 1cm in height taller than the sunroof variant
Non-sunroof roof fins CAN NOT be run on sunroof 991 models
Sunroof variant roof fins CAN be used on 991 models with or without sunroof
Not developed for Cabriolet or Targa.
Part numbers (without sunroof):
991.002.10NS (driver front)
991.002.11NS (driver rear)
991.002.20NS (passenger front)
991.002.21NS (passenger rear)
*We are taking pre-orders starting Sunday June 1st. End date for the batch 1 pre-orders of each item is Monday, June 30th. Target ship date for all orders is by the second week of July. All orders will have shipping free of charge until Monday, June 30th.*
**We are not taking international orders at this time
3D printed using carbon-reinforced nylon filament. Two-pieces each side (4 pieces total), unpainted, black in color. Precut 3M VHB automotive double sided tape applied to fins for easy installation and ultra strong adhesion. See Install PDF below for installation instructions.
Function: aides in optimizing airflow over the vehicle by directing air more cleanly toward the rear, in theory reducing turbulence and directing airflow over the roof.
NOTE: tested for both 991.1 and 991.2 coupes with and without sunroof.
Non-sunroof roof fins are 1cm in height taller than the sunroof variant
Non-sunroof roof fins CAN NOT be run on sunroof 991 models
Sunroof variant roof fins CAN be used on 991 models with or without sunroof
Not developed for Cabriolet or Targa.
Part numbers (without sunroof):
991.002.10NS (driver front)
991.002.11NS (driver rear)
991.002.20NS (passenger front)
991.002.21NS (passenger rear)
*We are taking pre-orders starting Sunday June 1st. End date for the batch 1 pre-orders of each item is Monday, June 30th. Target ship date for all orders is by the second week of July. All orders will have shipping free of charge until Monday, June 30th.*
**We are not taking international orders at this time
3D printed using carbon-reinforced nylon filament. Two-pieces each side (4 pieces total), unpainted, black in color. Precut 3M VHB automotive double sided tape applied to fins for easy installation and ultra strong adhesion. See Install PDF below for installation instructions.
Function: aides in optimizing airflow over the vehicle by directing air more cleanly toward the rear, in theory reducing turbulence and directing airflow over the roof.
NOTE: tested for both 991.1 and 991.2 coupes with and without sunroof.
Non-sunroof roof fins are 1cm in height taller than the sunroof variant
Non-sunroof roof fins CAN NOT be run on sunroof 991 models
Sunroof variant roof fins CAN be used on 991 models with or without sunroof
Not developed for Cabriolet or Targa.
Part numbers (without sunroof):
991.002.10NS (driver front)
991.002.11NS (driver rear)
991.002.20NS (passenger front)
991.002.21NS (passenger rear)
Installation PDF: Roof Fin Installation
Disclaimer: These parts are sold primarily for aesthetic purposes and may offer potential aerodynamic benefits. They are not intended for safety-critical applications. By purchasing and installing this product, the buyer assumes all risk and responsibility for proper installation, use, and any resulting consequences. Stratiform Engineering is not liable for any damage, injury, or loss resulting from the use or misuse of this product. Use at your own risk but of course, enjoy.