Clinic are well over priced. Don't leave your car with them either [emoji12]
Panel filter £35~
Fuel pump £120(rcm)
Zorst £100-£600+(depends on 2ND hand or new/make)
Remap £600~ with dyno time
All can be done yourself if handy with a spanner bar remap. New gaskets for the exhaust but they're relatively cheap.