The cast iron exhaust manifolds collect engine exhaust gas from multiple cylinder exhaust valves and deliver it to the exhaust pipe. Exhaust manifolds can be generic or specially tuned (header pipes) to the engine. Header pipes deliver higher performance but are more expensive and less durable.
Exhaust gases from cylinder exhaust valves are collected by the:
tail pipe |
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exhaust manifolds |
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catalytic converter |
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muffler |