Need to replace the catalytic converter on your Honda? This PHILTOP front exhaust manifold catalytic converter kit is a direct-fit, EPA-compliant option for 2012-2013 Honda Civic 1.8L and 2013-2014 Acura ILX 2.0L models. It replaces OEM part numbers 16678, 641554, and 41198. Made with a stainless steel body and aluminized pipes to resist rust, plus a double-layer high-temp ceramic carrier that helps with flow and efficiency. The kit comes with all the necessary gaskets and hardware, so installation should be straightforward—no modifications needed. Important note: This EPA-compliant converter cannot be sold or installed in California or Colorado, and may have restrictions in Maine and New York. Always check your vehicle's emission label and your state's laws before buying. A solid, affordable alternative to pricey OEM parts for getting your check engine light fixed and your emissions back in line.