I'm definitely interested in getting a flash tuner. What kind of HP gains can you expect to get on a bone stock '05 though? I would guess 8-15 tops. If you combine the tune with CAI and exhaust I'm betting it would be worth more. But, leaning the f/a and messing with the emissions will void the warranty if you're not careful...Doesn't the computer store a code or something that lets Ford know you've installed or modified their stock setup?
That's my only concern at this point, since it's the first year with the new setup no-one knows yet what lies ahead...there could be issues and it would suck to not have a warranty!
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