Our Honda Civic FK8 Type R Decat Pipe replaces the standard Catalytic Converter for increased power and easier flow of gases. The smooth flowing design allows the exhaust gasses to flow much more freely, increasing the power output of the engine. Constructed from the finest quality materials, the Japspeed Decat Pipe for the Honda Civic FK8 Type R is engineered to help you gain the most from that legendary VTEC engine! Features: TIG welded, CNC machined flanges Boss fitted to accept OEM lambda (O2) sensor Direct replacement for standard item Supplied with gaskets Please Note: sold for off-road use only. Will not pass an MOT emissions test.