With the performance kit, the Golf GT's 0-100 km/h (0-62mph) acceleration time is reduced from 8.2 to 6.8 seconds, while the 0-180 km/h (111mph) time arrives 3.2 seconds earlier than before.
The downside is a slight increase in fuel consumption from 6.3 lt/100km (37.3mpg US) to 6.7lt/100km (35mpg US) while the conversion also requires the use of higher octane Super Unleaded fuel.
Aside from the Stage 1 engine kit, Sportec also offers a full range of performance and styling enhancements, including exhausts, suspension and braking components, as showcased on the Sportec SC200 1.4 TSI car pictured in the gallery.