Product: Thunderbolt 3" Inlet/Outlet Universal Spun Catalytic Converter, 4" Round, 11" Long, High-Flow, Stainless Steel, OBDII Compliant
Brand: Thunderbolt

Search query: 2.5 high flow cats with o2 sensor
Relevance: Substitute

Search query: high flow catalytic converters
Relevance: Exact