Skip to content
GPS Adapter supports OEM equipment only and is not compatible with non-OEM products. Returns due to incompatibility with non-OEM equipment will be subject to a $40 restocking fee. Thank you for your understanding and continued support!
GPS Adapter supports OEM equipment only and is not compatible with non-OEM products. Returns due to incompatibility with non-OEM equipment will be subject to a $40 restocking fee. Thank you for your understanding and continued support!

gpsadapter

Add 'Mode Switch'  control works in 991.1/981.1/958.1 by Adapter-X adapter kits, easy change drive mode and PSE.

Adapter-X V2: Add Drive Mode Control

Built on Porsche retrofit experience since 2016, Adapter-X V2 adds multifunction controls and a working drive mode dial to compatible 991.1 and 981 upgrades.

Adapter-X V2: Add Drive Mode Control

Built on Porsche retrofit experience since 2016, Adapter-X V2 adds multifunction controls and a working drive mode dial to compatible 991.1 and 981 upgrades.
Explore Adapter-X V2
Upgrade to 991.2/718/Macan style steering wheel without Mode Switch

STMV1 / STMV1-H: The Proven Classic

Our best-selling classic, proven through real customer and specialist installations since 2016 across compatible Porsche 997, 991.1, 981, 958.1 and 970 models.

STMV1 / STMV1-H: The Proven Classic

Our best-selling classic, proven through real customer and specialist installations since 2016 across compatible Porsche 997, 991.1, 981, 958.1 and 970 models.
Shop STMV1 / STMV1-H
970 Panamera upgrade to 971 style steering wheel

STMV1-971 for Panamera 970

Upgrade to a newer 971-style OEM multifunction steering wheel while retaining supported factory controls.

STMV1-971 for Panamera 970

Upgrade to a newer 971-style OEM multifunction steering wheel while retaining supported factory controls.
Explore STMV1-971
OEM-Style Integration
Proven in Real-World Installs
Porsche Retrofit Specialists Since 2016
Free Worldwide Shipping

Choose the Right Upgrade

See Adapter-X V2 in Action

Add 'Mode Switch'  control works in 991.1/981.1/958.1 by Adapter-X adapter kits, easy change drive mode and PSE.

Upgrade a Porsche 991.1 or 981 with multifunction controls and a working drive mode dial.

Real Customer Installations

Selected from customer reviews submitted on our product pages after real-world installations. Since 2016, GPS Adapter has grown largely through Porsche owner referrals and installer recommendations. Some excerpts are lightly edited for clarity and length.

Functionality is perfect. Seamless integration with 991.2 GT steering wheel and all 991.1 Sport Chrono settings. Support from Paul is outstanding, plus very fast shipping.

William Jordan
Adapter-X V2 · Porsche 991.1

Porsche Denver West completed the upgrade using OEM parts. The paddle shifters, steering wheel heating and Sport mode dial all work perfectly.

Stephen Edgington
Adapter-X V2 · Porsche 991.1 to 991.2 wheel

Replaced the OEM 991.1 wheel with a 991.2 Sport wheel. A local Porsche dealer installed it in one hour, and it works seamlessly.

Mark Vollinger
STMV1 · Porsche 991.1

Fantastic product and great service from a very knowledgeable team.

M.A.I.S.
STMV1 / STMV1-H customer

GPSAdapter Updates

Installation Guides