Designed to comply with EPA emissions requirements while delivering premium performance with assured compliance, Walker Ultra EPA-Compliant Manifold Converters are available for import and domestic OBDII (1996 and newer) vehicles. Product Features:EPA COMPLIANT -- For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA and CO. Legal in NY and ME on EPA Federal Emission Equipped Vehicles only. Consult your state's aftermarket converter regulations for details.DIRECT-FIT DESIGN --Bolt-off, bolt-onOE-style converter with integrated manifold assemblies that attach directly to engine cylinder head and match all downstream connectionsKEEPS CHECK ENGINE LIGHT OFFFOR EMISSIONS CODES-- OE-style high technologywashcoatand optimalprecious metal load delivers required reduction in tailpipe emissions to match vehicle applicationSTRONGANDDURABLE --Featuresthick OE-style flangesand manifoldsfor strengthand durabilityOE-STYLE DESIGN--Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter