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Review on πŸš— Efficient Emissions Control: Walker 80941 CalCat Catalytic Converter by Matthew Baltimore

Revainrating 2 out of 5

Too much noise

I replaced my old cat because the engine code indicated the problem was with the cat. Before my cat was replaced, my truck ran smooth and quiet. Now my truck sounds like a kid's car with a specially modified exhaust system to make more noise. This is the second Cat replacement I've bought and both made my truck too noisy, I'll try to clean the other Cat and put it back in.

Pros
  • Catalysts
Cons
  • Mystery