2003 Lexus ES300 Catalytic Converter

A catalytic converter, often referred to as a "cat," is an essential component of your engine's exhaust system. This device uses catalysts to transform harmful chemicals in the exhaust gases.

What are the signs of a bad catalytic converter?

• Check engine light
  The dashboard warning light may illuminate, indicating potential issues.
• Decreased engine performance
  Noticeable loss of power, acceleration, or overall engine performance.
• Poor fuel economy
  A significant drop in fuel efficiency can occur as the converter fails.
• Excessive exhaust emissions
  Increased emissions, including a strong sulfur or rotten egg smell.
• Rattling noises
  Unusual rattling sounds from the exhaust system, indicating internal damage.
• Overheating
  The engine may run hotter than normal due to restricted exhaust flow.
• Failed emissions test
  Inability to pass emissions testing due to high pollution levels.

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Premium.com offers a wide range of aftermarket catalytic converters for your vehicle. Refine your search by selecting from various dimensions, inlet types, and tube materials. A-Premium team is dedicated to helping you find a compatible catalytic converter for your car. Every item in our catalog is carefully selected by our team of experts, ensuring they undergo rigorous quality checks to endure the demanding conditions of your exhaust system. Shop now to find the best deal on your new catalytic converter!