[WIDE COMPATIBILITY] --- Catalytic converter replacement for 2005-2007 Cobalt, 2006-2007 HHR, 2005-2007 SATURN ION 2.2L With Automatic Transmission. OE# 54807, 642780, 0795176, 15873732. These free-flow Catalytic converters have bolt-on connections and flange to flange design for effortless installation. Catalytic converter Catalytic [HIGH FLOW PERFORMANCE ] --- Our catalytic converters are built to meet OEM specifications and have EPA certification. They also feature a high flow design to increase conversion efficiency and vehicle power without sacrificing flow rate. Convertidor Automotive [STAINLESS STEEL OUT SHELL] --- The high flow catalytic converters with heavy-duty stainless steel construction feature maximum durability. Firmly welded connections can withstand high temper and pressures for longer service life. Replacement Emission [FLANGE TO FLANGE DESIGN] --- These free-flow catalytic converters have bolt-on connections and flange to flange design for effortless installation. They're also complete with full accessories as gaskets and hardware, facilitating your replacement. & Exhaust [COMPLIANCE WITH EPA] --- The direct-fit catalytic converters are compliant with EPA Standards but not with CARB. Thus, they can be used in most states except California& New York, not legal for use on vehicles required to meet CA emission standards. Products Catalitico