Gibson or Mac?
#1
12-10-2007, 09:08 PM
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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.
#3
12-13-2007, 12:09 PM
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