Review on Direct Fit CalCat Carb 82664 Catalytic Converter by Walker Exhaust by Marc Cahoon
Legal in California, requires qualified installation.
My 2004 Toyota Matrix had code P0420 for low catalyst efficiency. I bought it as a replacement for a factory unit. It was well done. The flange for attachment to the factory exhaust manifold was positioned correctly. The lambda sensor mounting plug was also OK. This unit requires factory exhaust modification. I cut out my old catalytic converter and welded it into this block. You can also just pop this into the factory exhaust pipe and clamp, but you will need to expand the remaining factory pipe to fit this one. It's no job for a backyard mechanic. not return. Good product.
- Good build
- Some nuances
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