Gibson or Mac?
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Joined: Nov 2007
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From: So. Cali.
Gibson or Mac?
I am looking for headers and Dual cat back exhaust system for my 2001 4.2 F150, and i do not know which to choose between Gibson Exhaust or Mac? does anyone know how much hp i can gain with the Mac exhaust? and who makes better headers Mac or Gibson? Im leaning for the Mac exhaust and headers but thats because its a bit cheaper than Gibson, but let me know what you think.
