2007 F150 5.4 v8 w/ Flowmaster 40 series
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nice
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@suepsetts Flowmaster 40 series....or dynomax....
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decent
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Does it affect the gas mileage any?
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gov chip in it?
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don'ty straight pipe it. i did it on my 99 5.4 and my fuel milage went to shit. and it gets quite annoying in the cab. i have to yell to have a conversation on the highway. get a thrush welded series. sound mean. hope i can help.
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straight but it may get annoying on hiways...in that case get a magnaflow muffler...just cleans up the sound a bit, removes the crackle but keeps the rumble
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do you have an x or h pipe?
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I didn't notice it affecting gas mileage at all.
I don't have a chip in it.
I have an h pipe.
brianhasadd 1 year ago
i have a 98 5.4 with tips and it already sounds pretty mean but i was thinking about getting flowmasters or straight pipe or something, any advice on what sounds meaner?
suepsetts 2 years ago
What are you running now to the tips? What kind of aftermarket mufflers do you have?
brianhasadd 2 years ago
Did you notice an increase in fuel mileage or power or were you going for sound only?
I am trying to get max pulling power out of my 06.
Thanks,
Dave
DCCantu 2 years ago
No I didn't notice any increase in fuel mileage or power. I was mainly going for sound. I've heard that Maganflow will give you an increase in hp and fuel mileage but it won't be loud.
brianhasadd 2 years ago
will this void your warrnty?
QuestCrew143 2 years ago
No it won't void your warranty.
brianhasadd 2 years ago