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163 0208 Toy 05 Z

At 100,000 miles, most catalytic converters have served their time, clogged with carbon debris- the Toyota cat was no different. The complete Downey Off-Road exhaust system provided a new one that alone improved the flow due to its cleanliness.
Project Toyota SR-5: Part 1

 At 100,000 miles, most catalytic converters have served their time, clogged with carbon debris- the Toyota cat was no different. The complete Downey Off-Road exhaust system provided a new one that alone improved the flow due to its cleanliness.  Related Article