PLM Power Driven K-Series Header Downpipe Civic Si FG 2012+ & Acura ILX

PLM Private Label Mfg. Power Driven K-Series Header Downpipe for 9th Gen Civic FG 2012+ & Acura ILX features a large 4.25 inch bell mouth design with a 3 inch outlet. No modifications are needed as it is a direct bolt-on unit to the OEM exhaust cat-back location. Vehicle Fitment: 2012 - 2015 Honda Civic Si 9th Generation Civic FG4 2013+ Acura ILX Key Features: High flow, 200 cell, metallic core catalytic converter Includes gaskets & hardware Made of Stainless steel One year limited warranty Includes O2 sensor adapter - $20 value CNC machined manifold flanges Flange is .38" thick 18 gauge stainless steel. Bolts directly to OEM cat-back exhaust Large 4.25 inch bellmouth design High grade casting on the bell mouth section Precision CNC mandrel bend tubing Braided flex pipe section with interlock liner One Piece Design  Bungs for OEM O2 sensors Additional bung for wideband sensor