For HONDA Civic Integra RSX K-swap K20 K20A K20Z K24 K-SERIES. For Eg Ek Dc2 civic RSX with K-swap K20 K20A K24. --Use this valve cover breather filter to keep balance the crankcase pressure. --To prevent this, you can remove the factory valve cover vent hose and replace it with our breather filter.
