Normal factory filter: 320 km to a full tank and normal HP (7.11 km per liter)
K&N typhoon intake and air filter: 375 km to a full tank and +7 HP gain (8.33 km per liter)
Gain: 7 HP more and less fuel consumption
Be careful with the pipes with coolant, not to loose the fluid!
Basically it is just to screw the aluminum intake to the plastic filter holdster
Now to put it in the car.
2. with the provided hose on the intake kit, cut the hose originally on that position and put the 90 degree angle tube and plug it back in
3. Re attach the hoses removed to take out the old factory casing
4. Fit the filter in and plug in the oxygen sensor back in