performance exhaust systems
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New User
Joined: Dec 2003
Posts: 2
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performance exhaust systems
Has anyone out there put any performance exhaust systems on their new 2004 4x4 F150 Screw ?
I am looking for a cool sounding system that will give me increased fuel mpg. I am only on my third tank of gas, but I am only getting 13.2 mpg around town.
I am looking for a cool sounding system that will give me increased fuel mpg. I am only on my third tank of gas, but I am only getting 13.2 mpg around town.
Junior User
Joined: Dec 2003
Posts: 61
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From: southern new jersey
i was reading in another post about someone that added a flowmaster 70 big block muffler and they loved it. I was also reading in another post that this was a nice match for the 5.4. my friend added a flomaster but wasnt concerned for the mileage as much as he was the sound. Mine will be in in a few weeks so I;ll be looking for more info on this topic as well
Senior User
Joined: Sep 2003
Posts: 270
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From: Charlotte, NC
My Exhaust System Design
rkaarjj....rjs1521....and others,
For a detailed description of the exhaust system I designed for my 04 F-150 with the 5.4 V8.....please see my 11/20/03, 5:57 PM posting under the "Exhaust/Muffler" thread, on page 8 of the 2004 F-150 Forum
For a detailed description of the exhaust system I designed for my 04 F-150 with the 5.4 V8.....please see my 11/20/03, 5:57 PM posting under the "Exhaust/Muffler" thread, on page 8 of the 2004 F-150 Forum
