A specially modified supercharger pulley, specifically engineered by Paramount Performance. Designed to increase the supercharge speed, improve throttle response and mid-range power, adding up to 30bhp.

£299 +VAT supply only, £699 +VAT supply and fit.

Performance ECU re-programming.

ECU remapping can deliver stunning results transforming power delivery, throttle response, sound and transmission systems.

XK8: 20BHP increase £650
XKR: 35BHP increase £699



Before and after dyno runs included

Increase air flow and performance for your New XK or XKR. Boosts performance on the XKR by up to 8bhp. Guaranteed for life so you will never need another air filter

Buy it right and buy it once

Supply only £120 + vat
Supply and fit £205 + vat