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91stang · 11-17-2005, 02:59 AM

i increased mileage by changing oil when time is due, fuel injector cleaner, headers, CAI, o/r pipe, and flows. went from 14 to 16-18 (depends how hard i drive

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11-17-2005, 02:59 AM	#23
91stang 4th Gear Member Join Date: Mar 2005 Location: Posts: 1,860	RE: What MPG and HP increasing devices NOT to buy! i increased mileage by changing oil when time is due, fuel injector cleaner, headers, CAI, o/r pipe, and flows. went from 14 to 16-18 (depends how hard i drive) __________________ FOR SALE Rollin' in my 5.0 With my rag-top down so my hair can blow