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4 catalytic converters?

Predator

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Checking out the exhaust on the 2.7 looks like there are 4 converters on it is this new does anybody know thanks
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Doyouevenboost

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Checking out the exhaust on the 2.7 looks like there are 4 converters on it is this new does anybody know thanks
Yes they do. The "pre-cats" or "light offs" help get the primary catalyst up to temperature faster.
Ford F-150 4 catalytic converters? 1627343564578
 

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