Hy guys just need a help on a dilema that im in, i got a 04 armADA WITH 132K that didnt pass smog because of a P0420 & P0430 . The guy from the smog shop told me that hes pretty shure is the catalyc convertes. The stealer whants 3k to replace them and im kind of tight with money right now , i have search this forum apparently they replace the exhaust manifold whit the JBA manifold but they dont come with catalytic converter. My question is can i buy the JBA manifold and a catalyc converter and welded? and i do live in california just wondering if any people from california had this problem and how did they fix it . thanks in advance
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