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Muscle Mustang and Fast Fords Magazine did some upgrades to it. If I remember correctly they put a Pro 5.0 shifter, BBK headers and X-Pipe, K&N air filter, and blower pulleys from an F-150 Lightning. I think they got 20 extra horses from just removing the air filter and silencer. I can't really remember but I think they increased horsepower to something like 425- 435 hp.
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