Review on Walker 81754 CalCat Catalytic Converter by Aries Boyce

Had to change the passenger side coil to pass CA SMOG to STAR SMOG and it made me very happy. with stands, but it is possible. You will need to loosen or unscrew the center pipe on the driver's side to put everything back together. Also spray the manifold onto the cat bolts, you should have plenty of patience or you can just make room and remove the exhaust manifold with the cat attached! By the way, pay attention to the notch in the factory to align everything when you put on the rollator. , I had to unscrew and twist three times, adding an hour to the whole ordeal