also get a K&N 57i induction kit (part no. 57-0618) £117.50 or pipercross velocity intake system (part no. VIS314) £235.00. These can make the car sound a little better under throttle too and complement the remap and exhaust.
These induction kits are available to order and fit urself from demontweeks. if not try to find ur local tuner.