Volkswagen. The Accessport V3 is the world’s best selling, most flexible ECU performance upgrade solution for VW tuning. Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations to improve engine performance.

Get the most out of your Audi, Volkswagen, Seat, Skoda and Porsche vehicles today with our tuning solutions. Welcome to the official Unitronic website!

From the humble 1.0 TSI in the Seat Ibiza to the screaming 4.0 Flat Six in the GT3 RS, all the way up to the mighty 4.0 V8 Bi-Turbo in the Audi RS7, HP Tuners supports a massive range of VW Group powerplants, as well as the ZF8HP and DQ250 transmissions.

Explore our comprehensive range of VW aftermarket performance parts, from air intakes and exhaust systems to ECU tuning, suspension enhancements and wheels. Each component is designed to deliver significant performance improvements, empowering you to customize your Volkswagen to match your vision.

APR's Performance Lineup for Volkswagen Vehicles! Founded in 1997, APR is the global leader in performance aftermarket products for Volkswagen, Audi, Seat, Skoda, Porsche, and other vehicles.

Celebrating 33 years of Volkswagen and Audi tuning. Our specialized catalog of performance upgrades are designed, engineered, and manufactured in-house by our passionate team. We partner with the best in the industry to deliver parts you can rely on …

RacingLine OEM+ offers a huge range of VWG applications - from high-performance engines right through to TDI and even some hybrid options. Alongside the ECU engine tuning, we offer a matched range of sophisticated 'Dynamic' TCU transmission calibrations for DSG & S-tronic 'boxes. And the best bit?

Malone Tuning continues to innovate with features like Dynamic Idle, Dynamic EGR, and a new Stage 4 turbo kit that successfully retains all modern VW TDI emissions components.

At IE, we are hell-bent on making the VW / Audi cars we love better. Our mission is to engineer hardware and software upgrades that out-perform original equipment in speed and strength. IE parts are second to none because we design them the way we want them for our own cars.

APR 4.0T Performance Software Now Available for 2024+ RS6/RS7 Performance, 2022+ Cayenne Turbo GT, and 2019+ Urus Models!