1. Jack up the car at the passenger front
2. Remove Wheel
3. Remove Arch Lining on the left hand side, and the nut just to the right
of this lining.
4. Take top off the filter, and remove from pipe
5. Remove all the screws attaching the bottom half to the car
6. Take the bottom half out from through the wheel arch (this is the git
bit, it takes a little force but it does come out.
7. Place air filter onto inlet pipe.
8. You can cable tie the cold air feed to a more suitable position if you
want.
9. Put all back together
thats what i have been told