APS claims that the extra grunt is enough to drop the Golf GTI's sprint from rest to 60mph (96 km/h) down from 6.9 seconds in stock form to 6.2 seconds while top speed increases from 149mph (240km/h) to approximately 155mph (250km/h).
The remap of the engine management chip is priced in the UK at £599 fitted and including 15 per cent VAT, while APS covers the conversion by a guarantee.