I'm new to this website and I need to get two cats upper I've thrown the 420 & 430 codes and they are expesive so I did some resaerch ob the sc400 and I noticed it is very close to the 4runner exhaust manifolds. It would be great to interchange the two to see if it would work and I need some opinoins on this I can get one from the junk yard for about $50 and I can get a cat for $100 would else do you guys think I need to get if I can do this ? Any input would be great!
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