Item fits all Tucson models with 2.0L 4cyl engine for 2011 to 2018 and converter originally 1 pc with midpipe. This item allows you to use the existing resonator pipe, simply cut your existing pipe, this slides overtop and clamps. inlet side bolts to factory downpipe. OBDII-configured catalyst technology ensures proper performance, emissions, and long life. Free gaskets and bolts included with purchase.