K&N Flow Control Custom Assembly (61-4030)

This allows your engine to inhale a larger amount of air than the factory air filter assembly

This part replaces the unsightly stock white plastic filler

4 lines set

cotton filter) for the Forge Motorsport induction kit FMINDK47

Bush Size: 23mm

you can expect to see a carbon fibre housing that flows beautifully along the engine bay

- diffuser insert primed

The K&N 57S-9501 Performance Airbox is an air intake system that replaces the restrictive factory air filter and air intake assembly

or air containing oil mist

Tested for turbochargers and catalytic converters

Filter only requires cleaning every 50

Rear Catalysts - Boxster - S 3