Gotts!
Here's how you do it http://www.f150online.com/forums/art...3-f-150-a.html and i saw a 2 mpg increase went from 18 to 20. Definitely worth doing the difference is a lot more than you would think at least it was for me
im not sure why people dont do it, took me a while to get around to it but after i did it, i have no clue why i ever waited.
i got the thick walled stuff but 3 mins on a grind wheel and it fit perfectly, i got 4ft of it and did it to 3 vehicles
i got the thick walled stuff but 3 mins on a grind wheel and it fit perfectly, i got 4ft of it and did it to 3 vehicles
I got the 16 inch efan off a 3.8L taurus, i got a sct x3 tuner, flowmaster exhaust on the way. Should be here all here in about two weeks perfect time gettin out of school and gonna start puttin it together on the weekends.

