There is only one catalytic converter in the exhaust system.
Remove both converters, install the new ones. Don't forget the "donut" gaskets.
The 2001 Subaru Forester has 16 valves.
The 2001 Subaru Forester has a flat 4 engine.
The 2001 Subaru Forester has a 5-speed manual.
The 2001 Subaru Forester is a gas-powered vehicle.
Catalytic converters are in the exhaust system so replacing them is a job similar to replacing a muffler. Difference is that the converters are bolted in and have gaskets that must be replaced at the same time.
The 2001 Subaru Forester's turning circle is 34.7 ft..
The 2001 Subaru Forester runs on regular unleaded.
The 2001 Subaru Forester is 14 ft. 7.6 in. (175.6 in.) long.
The 2001 Subaru Forester has single overhead cam (SOHC).
The height of the 2001 Subaru Forester is 5 ft. 2.8 in. (62.8 in.).
The 2001 Subaru Forester has 53.6 in. of rear shoulder room.