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Performance Exhaust Systems Axle Back & Cat Back Exhaust for Cars, Trucks & SUV's
Ferdinand Trigg edited this page 2 days ago
Most designs of the time therefore included secondary air injection, which injected air into the exhaust stream. This increased the available oxygen, allowing the catalyst to function as intended. Cat-back exhaust systems replace every component behind the catalytic converter, including most piping, mufflers, resonators, and tailpipes.
If you