Ford Mustang Forum - View Single Post - Regular K&N replacement filter
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post #5 of (permalink) Old 08-23-2006
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The HC trap was eliminated midway through the 05 model year. It's only there to recycle unburned gasoline vapors that remain in the intake on engine shutdown. If you have one, it's certainly safe to remove. It's actually quite restrictive. Some have said there's 10 hp in there, but that might be a stretch.

1965 Mustang Coupe
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