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When Tim purchased the Camaro, it would barely run—until he discovered the original catalytic converter was plugged. Replacing the cat with a CarSound replacement cat unplugged the exhaust and dramatically improved performance.
My Generation Camaro, Part I - 1987 Chevy Camaro 305ci

When Tim purchased the Camaro, it would barely run—until he discovered the original catalytic converter was plugged. Replacing the cat with a CarSound replacement cat unplugged the exhaust and dramatically improved performance.  View Related Article