RACINGLINE PERFORMANCE TUNING

Our OEM+ Performance Software is simply the most effective modification you can make to a modern turbocharged engine.

 

We take a pretty unique approach. We don't modify existing software, we take the manufacturers' philosophy and create a complete new calibration designed from scratch exclusively for each model in perfect harmony with our performance parts.

That's what makes the OEM+ difference.

Catch tanks, intercooler, airflow parts, exhausts, engine mounts: all you need to support your power increases here.

ENGINE HARDWARE

Cartech Welwyn is pretty famous for intakes, and for good reason. From the best-selling R600 to our High-Flow Panel Filters.

INDUCTION & EXHAUST

Take a look at our latest range of performance brakes and stylish alloy wheels.

Wheels & Braking

OUR RANGE

It’s what you’ve been waiting for. Select your model above, or real all about our full programme of Performance Software: OEM+

SOFTWARE

Everything from our world-favourite Sport Springs right up to the ultimate TrackSport.

CHASSIS & SUSPENSION

It’s all about the details. Check out our DSG blades and engine bay dress-up parts here.

DETAILS & APPEARANCE

RACINGLINE

PERFECT PERFORMANCE

Our exquisitely engineered upgrades will unlock the true performance potential of your VWG car. 

 

There's no clearer proof of automotive excellence than from the demands of motorsport;  it's on track where our Performance Parts and Software calibrations are conceived, proven and refined.​

We call it Perfect Performance.​

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Our address:

36 Brownfields, Welwyn Garden City

Hertfordshire, AL7 1AN

 

CARTECH WELWYN

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© 2019 Cartech Welwyn Ltd, 36 Brownfields, Welwyn Garden City, Hertfordshire, AL7 1AN