Review on AUTOSAVER88 Driver Side Catalytic Converter Compatible with 2005-2012 Nissan Frontier, Pathfinder, Xterra, NV1500 4.0L (EPA Compliant) by Jacob Brasic

Scrap. Bought because of the good price. Bought one for each side. When installed, the surfaces did not fit together perfectly, but were close together. The engine light came on immediately. OBD codes 0420 and 0430. Just replaced all O2 sensors with good ones. I took it to a mechanic and he said it was probably bad catalytic converters but it could be an exhaust leak due to a mismatch. Took a muffler that matched my exhaust to the curve of the cat converters. Exhaust leak gone, engine light and code still on, same codes. Back to the mechanic who did a very thorough diagnosis and said it was bad catalytic converters. He said the cheapest ones have problems. Big waste of time and money. I should have spent the money on high quality converters.