K&N Performance Air Intake System (57-6001) Ford > Focus > Mk3 2010-2018 > ST250 2015-2018 As with all Forge motorsport

As with all Forge motorsport products we offer a no quibble lifetime guarantee on both the silicone hose and billet adaptor

With many issues of internal corrosion in the original fitment unit

and will not deteriorate over time

The design has been created to reflect the N style and will look resplendent in your car

4 Turbo GDI

K&N Performance Air Intake System (57-6001) Ford > Focus > Mk3 2010-2018 > ST250 2015-2018 As with all Forge motorsportThe K&N 57 6001 FIPK air intake system replaces the restrictive factory air filter and air box in some Nissan 300ZX models. K&N intakes are designed to dramatically reduce intake restriction and improve air flow. This allows your engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The 57 6001 air intake comes with a large, round K&N embossed